1925 11  -.80  -8.41  -4.60 
1925 12 12.79 -20.74 -16.76 
1926 01 14.16 -23.08 -18.61 
1926 02 20.95 -29.06 -25.00 
1926 03 -9.07 -18.07 -13.57 
1926 04 -4.32 -13.63  -8.97 
1926 05  -.75  -7.21  -3.98 
1926 06 10.79   2.33   6.56 
1926 07 13.05   5.59   9.32 
1926 08 13.72   6.65  10.18 
1926 09 11.94   5.96   8.95 
1926 10  6.17  -1.26   2.45 
1926 11  4.67  -4.34    .16 
1926 12 11.08 -20.17 -15.62 
1927 01 10.01 -22.18 -16.09 
1927 02 14.55 -25.29 -19.92 
1927 03 17.06 -27.29 -22.17 
1927 04 -8.43 -17.91 -13.17 
1927 05   .56  -5.57  -2.50 
1927 06  9.91   1.92   5.91 
1927 07 12.33   4.98   8.65 
1927 08 12.05   6.45   9.25 
1927 09  4.94    .52   2.73 
1927 10   .52  -4.92  -2.20 
1927 11 -2.89 -10.00  -6.44 
1927 12 -8.51 -16.03 -12.27 
1928 01 10.07 -19.12 -14.59 
1928 02 11.84 -18.62 -15.23 
1928 03 16.61 -24.70 -20.65 
1928 04 -7.73 -14.10 -10.91 
1928 05 -1.61  -6.56  -4.08 
1928 06  8.34   1.20   4.77 
1928 07 10.41   4.92   7.67 
1928 08  9.14   4.23   6.68 
1928 09  6.08   2.14   4.11 
1928 10  2.14  -2.33    .-9 
1928 11 -9.08 -14.71 -11.89 
1928 12 14.47 -22.44 -18.45 
1929 01 -7.32 -16.79 -12.06 
1929 02 -9.60 -18.21 -13.91 
1929 03 18.45 -26.09 -22.27 
1929 05  1.99  -3.02   -.51 
1944 06  5.44    .18   2.81 
1944 07  9.64   4.44   7.04 
1944 08  9.82   4.60   7.21 
1944 09  6.36   1.59   3.97 
1944 10   .57  -4.23  -1.83 
1944 11 -8.47 -14.58 -11.53 
1944 12 10.83 -19.04 -14.93 
1945 01 13.95 -20.93 -17.44 
1945 02 17.29 -25.21 -21.25 
1945 03 19.04 -27.16 -23.10 
1945 04 -3.42 -11.42  -7.42 
1945 05  -.75  -6.24  -3.49 
1945 06  4.28   -.48   1.90 
1945 07  9.96   5.15   7.55 
1945 08  8.00   4.05   6.02 
1945 09  7.30   3.48   5.39 
1945 10  -.21  -4.23  -2.22 
1945 12 15.13 -23.24 -19.18 
1946 03 19.56 -27.86 -23.71 
1946 04 12.22 -20.71 -16.46 
1946 05  -.85  -5.75  -3.30 
1946 06  6.62   1.22   3.92 
1946 07 11.85   5.36   8.60 
1946 08  8.21   3.63   5.92 
1946 09  5.30   1.67   3.48 
1946 10  1.67  -2.08   -.20 
1946 11 -4.87 -10.35  -7.61 
1946 12 15.87 -22.03 -18.95 
1947 01 18.39 -25.20 -21.79 
1947 02 11.00 -19.57 -15.28 
1947 03 99.99 -23.64 -99.99 
1947 04 -7.23 -12.98 -10.10 
1947 05  3.24  -3.23    . 0 
1947 06  6.07   1.38   3.72 
1947 07 11.80   6.34   9.07 
1947 08  9.89   5.36   7.63 
1947 09  4.77   1.71   3.24 
1947 10  -.90  -5.16  -3.03 
1947 11 -5.32 -11.02  -8.17 
1947 12 15.46 -19.91 -17.68 
1948 01 20.07 -28.42 -24.24 
1948 02 13.07 -20.68 -16.87 
1948 03 13.85 -24.03 -18.94 
1948 04 -1.21  -6.82  -4.01 
1948 05 -1.21  -7.09  -4.15 
1948 06  7.00   1.02   4.01 
1948 07  7.97   4.19   6.08 
1948 08  7.96   4.50   6.23 
1948 09  4.48    .85   2.66 
1948 10 -1.58  -5.11  -3.34 
1948 11 -8.07 -13.48 -10.77 
1948 12 12.82 -19.90 -16.36 
1949 01 12.15 -19.67 -15.91 
1949 02 15.18 -23.13 -19.15 
1949 03 -8.80 -15.94 -12.37 
1949 04 11.58 -19.39 -15.48 
1949 05 -2.33  -7.13  -4.73 
1949 06  2.64  -1.37    .63 
1949 07  9.17   4.44   6.80 
1949 08 10.38   6.42   8.39 
1949 09  8.43   4.62   6.52 
1949 10  2.40  -1.04    .67 
1949 11 -3.04  -7.98  -5.51 
1949 12 10.16 -17.33 -13.74 
1950 01 -3.86 -12.41  -8.13 
1950 02 14.00 -21.51 -17.75 
1950 03 14.09 -21.14 -17.61 
1950 04 -6.39 -12.76  -9.57 
1950 05 -2.13  -6.33  -4.23 
1950 06  5.13    .28   2.70 
1950 07 11.83   6.10   8.96 
1950 08 11.93   6.87   9.39 
1950 09  7.54   3.32   5.43 
1950 10  2.97   -.36   1.30 
1950 11  -.77  -6.65  -3.71 
1950 12 -8.64 -14.51 -11.57 
1951 01 19.03 -25.66 -22.34 
1951 02 17.61 -25.79 -21.70 
1951 03 15.05 -23.75 -19.40 
1951 04 -7.49 -13.22 -10.35 
1951 05   .45  -3.65  -1.60 
1951 06  7.24   1.19   4.21 
1951 07  9.09   5.15   7.12 
1951 08  8.82   5.01   6.91 
1951 09  5.76   2.57   4.16 
1951 10  1.16  -4.28  -1.56 
1951 11 -1.82  -7.06  -4.44 
1951 12 -9.14 -16.32 -12.73 
1952 01 14.32 -24.22 -19.27 
1952 02 17.78 -23.75 -20.76 
1952 03 14.10 -21.22 -17.66 
1952 04 -8.29 -16.42 -12.35 
1952 05  -.94  -6.62  -3.78 
1952 06  5.68    . 8   2.88 
1952 07  9.18   3.57   6.37 
1952 08 10.79   6.00   8.39 
1952 09  6.35   1.96   4.15 
1952 10  1.63  -2.42   -.39 
1952 11 -2.08  -8.81  -5.44 
1952 12 10.68 -17.06 -13.87 
1953 01 15.90 -23.31 -19.60 
1953 02 19.54 -26.31 -22.92 
1953 03 17.94 -24.81 -21.37 
1953 04 -7.70 -14.41 -11.05 
1953 05   .56  -4.59  -2.01 
1953 06  7.34    .88   4.11 
1953 07 10.59   3.85   7.22 
1953 08  9.53   4.34   6.93 
1953 09  6.90   2.46   4.68 
1953 10   . 3  -3.79  -1.88 
1953 11 -4.44  -9.72  -7.08 
1953 12 16.37 -22.54 -19.45 
1954 01 13.77 -22.76 -18.26 
1954 02 20.51 -27.84 -24.17 
1954 03 -9.04 -20.08 -14.56 
1954 04 -3.54 -11.89  -7.71 
1954 05  3.55  -1.73    .91 
1954 06  6.66    .91   3.78 
1954 07  9.35   4.25   6.80 
1954 08 10.28   6.33   8.30 
1954 09  6.65   2.83   4.73 
1954 10  1.28  -3.54  -1.13 
1954 11 -5.00 -11.44  -8.21 
1954 12 17.64 -23.85 -20.74 
1955 01 15.18 -22.33 -18.75 
1955 02 23.55 -30.38 -26.96 
1955 03 15.67 -23.37 -19.52 
1955 04 -9.97 -18.07 -14.02 
1955 05 -2.23  -7.11  -4.67 
1955 06  4.21   -.91   1.65 
1955 07  9.70   4.21   6.95 
1955 08 10.48   4.46   7.47 
1955 09  6.35   2.64   4.49 
1955 10 -1.73  -6.70  -4.21 
1955 11 -7.74 -15.28 -11.51 
1955 12 -9.91 -19.25 -14.58 
1956 01 99.99 -22.56 -99.99 
1956 02 99.99 -26.33 -99.99 
1956 03 16.46 -24.04 -20.25 
1956 04 -9.18 -15.62 -12.40 
1956 05 99.99  -3.03 -99.99 
1956 06 99.99   -.26 -99.99 
1956 07 10.61   4.87   7.74 
1956 08  8.88   3.75   6.31 
1956 09  7.44   1.65   4.54 
1956 10  -.93  -7.13  -4.03 
1956 11 12.89 -21.28 -17.08 
1956 12 15.72 -21.25 -18.48 
1957 01 -6.92 -12.63  -9.77 
1957 02 14.60 -20.78 -17.69 
1957 03 16.52 -23.62 -20.07 
1957 04 -2.18  -7.04  -4.61 
1957 05  1.95  -2.35   -.20 
1957 06  7.87   2.32   5.09 
1957 07  9.59   4.85   7.22 
1957 08 10.02   6.05   8.03 
1957 09  5.21   1.57   3.39 
1957 10  1.33  -2.41   -.54 
1957 11 -4.30  -9.58  -6.94 
1957 12 16.74 -22.36 -19.54 
1958 01 20.45 -26.29 -23.37 
1958 02 13.20 -22.86 -18.03 
1958 03 -8.28 -16.79 -12.53 
1958 04 -6.82 -13.04  -9.93 
1958 05 -2.72  -7.91  -5.31 
1958 06  7.76   2.72   5.24 
1958 07 11.81   6.43   9.12 
1958 08  8.18   4.66   6.42 
1958 09  5.70   2.15   3.92 
1958 10 -1.74  -6.77  -4.25 
1958 11 -5.35 -11.69  -8.51 
1958 12 10.78 -18.07 -14.42 
1959 01 -9.56 -18.57 -14.06 
1959 02 10.65 -17.06 -13.85 
1959 03 17.29 -26.68 -21.98 
1959 04 12.13 -19.52 -15.82 
1959 05   .65  -3.17  -1.26 
1959 06  6.94   1.50   4.22 
1959 07  8.47   4.48   6.47 
1959 08 10.58   6.65   8.61 
1959 09  6.48   2.62   4.55 
1959 11 -5.16 -12.17  -8.66 
1959 12 20.12 -25.42 -22.77 
1960 01 15.27 -24.35 -19.81 
1960 02 10.92 -17.62 -14.27 
1960 03 10.22 -17.04 -13.63 
1960 04 12.55 -18.81 -15.68 
1960 05   .55  -3.37  -1.41 
1960 06  4.06    .29   2.17 
1960 07 10.97   5.78   8.37 
1960 08 11.28   6.30   8.79 
1960 09  4.85   1.42   3.13 
1960 10   .-5  -3.65  -1.85 
1960 11 -6.90 -13.30 -10.10 
1960 12 -6.79 -14.75 -10.77 
1961 01 11.45 -18.60 -15.02 
1961 02 22.98 -29.71 -26.34 
1961 03 21.01 -27.22 -24.11 
1961 04 -8.35 -16.68 -12.51 
1961 05  2.15  -4.02   -.93 
1961 06  5.90    .65   3.27 
1961 07  9.21   3.51   6.36 
1961 08  9.81   4.85   7.33 
1961 09  7.68   2.80   5.24 
1961 10   . 8  -4.23  -2.08 
1961 11 -4.42 -11.22  -7.82 
1961 12 17.35 -23.60 -20.47 
1962 01 -8.30 -17.00 -12.65 
1962 02 -6.84 -15.04 -10.94 
1962 03 10.96 -17.39 -14.17 
1962 04 -6.16 -13.41  -9.78 
1962 05   .40  -4.21  -1.90 
1962 06  6.74    .90   3.82 
1962 07 11.46   5.61   8.53 
1962 08 11.13   7.08   9.10 
1962 09  4.73   1.39   3.06 
1962 10  -.32  -5.75  -3.03 
1962 11 -5.46 -12.27  -8.86 
1962 12 -9.55 -17.52 -13.53 
1963 01 -3.24 -11.61  -7.42 
1963 02 13.12 -20.04 -16.58 
1963 03 12.13 -22.42 -17.27 
1963 04 -6.19 -13.18  -9.68 
1963 05  2.44  -2.16    .13 
1963 06  4.75    .21   2.48 
1963 07  8.64   4.39   6.51 
1963 08  8.93   4.08   6.50 
1963 09  7.13   1.94   4.53 
1963 10 -1.48  -5.70  -3.59 
1963 11 -7.24 -12.43  -9.83 
1963 12 -7.91 -17.35 -12.63 
1964 01 16.16 -25.76 -20.96 
1964 02 26.65 -32.14 -29.39 
1964 03 17.76 -26.25 -22.00 
1964 04 11.07 -19.07 -15.07 
1964 05 -1.85  -7.99  -4.92 
1964 06  5.58   -.48   2.55 
1964 07 10.25   5.04   7.64 
1964 08 11.24   6.51   8.87 
1964 09  6.85   3.13   4.98 
1964 10  1.32  -2.08   -.37 
1964 11 -4.77 -12.38  -8.57 
1964 12 13.49 -21.80 -17.64 
1965 01 15.75 -25.59 -20.67 
1965 02 23.83 -29.28 -26.55 
1965 03 10.37 -19.28 -14.82 
1965 04 -7.54 -14.95 -11.24 
1965 05 -2.66  -8.38  -5.52 
1965 06  4.55    .14   2.34 
1965 07  9.12   4.58   6.85 
1965 08  7.93   4.19   6.06 
1965 09  6.37   2.43   4.40 
1965 10 -1.31  -6.24  -3.77 
1965 11 -1.05  -5.94  -3.50 
1965 12 14.01 -20.44 -17.22 
1966 01 11.57 -20.08 -15.82 
1966 02 14.10 -23.95 -19.02 
1966 03 19.36 -27.05 -23.20 
1966 04 10.26 -17.45 -13.85 
1966 05 -1.33  -8.31  -4.82 
1966 06  6.46    .51   3.48 
1966 07 10.13   5.16   7.64 
1966 08 10.20   5.16   7.68 
1966 09  6.51   2.85   4.68 
1966 10  -.33  -4.76  -2.54 
1966 11 -2.05  -7.72  -4.88 
1966 12 13.59 -19.56 -16.57 
1967 01 -6.74 -14.48 -10.61 
1967 02 14.55 -23.16 -18.85 
1967 03 -3.72 -12.37  -8.04 
1967 04 -4.66 -11.23  -7.94 
1967 05  1.30  -3.00   -.85 
1967 06  8.43   2.43   5.43 
1967 07 10.21   6.18   8.19 
1967 08 11.05   6.66   8.85 
1967 09  7.15   3.13   5.14 
1967 10   .43  -4.14  -1.85 
1967 11 -6.28 -12.11  -9.19 
1967 12 -9.75 -17.61 -13.68 
1968 01 -9.43 -18.10 -13.76 
1968 02 21.55 -28.37 -24.96 
1968 03 11.24 -19.96 -15.60 
1968 04 10.58 -17.58 -14.08 
1968 05   .36  -6.43  -3.03 
1968 06  4.71   -.77   1.97 
1968 07 11.29   6.48   8.88 
1968 08 11.95   7.86   9.90 
1968 09  5.90   2.30   4.10 
1968 10  1.00  -3.86  -1.43 
1968 11 -7.90 -14.36 -11.13 
1968 12 13.71 -23.18 -18.44 
1969 01 -6.72 -14.35 -10.53 
1969 02 17.28 -24.63 -20.95 
1969 03 17.20 -24.66 -20.93 
1969 04 -7.16 -15.02 -11.09 
1969 05  3.34  -2.90    .21 
1969 06  8.22   2.21   5.21 
1969 07 10.31   5.37   7.84 
1969 08  8.53   4.03   6.28 
1969 09  9.18   4.19   6.69 
1969 10  2.52  -1.57    .47 
1969 11 11.43 -16.79 -14.11 
1969 12 13.12 -19.12 -16.12 
1970 01 19.84 -27.41 -23.62 
1970 02 13.26 -21.86 -17.56 
1970 03 13.70 -20.92 -17.31 
1970 05   .54  -5.57  -2.51 
1970 06  6.99   1.29   4.14 
1970 07  9.45   5.33   7.39 
1970 08  9.30   5.08   7.19 
1970 09  4.85   1.19   3.02 
1970 10 -1.98  -7.80  -4.89 
1970 11 -1.16  -9.13  -5.15 
1970 12 -9.32 -17.89 -13.60 
1971 01 14.44 -23.89 -19.16 
1971 02 24.40 -32.02 -28.21 
1971 03 15.83 -25.84 -20.83 
1971 04 12.37 -20.00 -16.18 
1971 05 -3.10  -7.98  -5.54 
1971 06  7.01    .86   3.93 
1971 07 11.81   5.74   8.77 
1971 08  8.72   4.66   6.69 
1971 09  5.84   2.33   4.08 
1971 10  1.20  -4.01  -1.40 
1971 11 -3.60 -10.32  -6.96 
1971 12 -9.47 -18.98 -14.22 
1972 01 11.37 -21.00 -16.18 
1972 02 13.57 -22.83 -18.20 
1972 03 19.65 -26.27 -22.96 
1972 04 -9.35 -17.45 -13.40 
1972 05  1.50  -5.05  -1.77 
1972 06  6.02    .32   3.17 
1972 07 13.75   6.77  10.26 
1972 08 11.97   7.62   9.79 
1972 09  7.37   2.89   5.13 
1972 10  1.79  -1.92    .-6 
1972 11 -4.25  -9.80  -7.02 
1972 12 -8.24 -13.56 -10.90 
1973 01 14.16 -20.79 -17.47 
1973 02 10.56 -19.52 -15.04 
1973 03 20.54 -25.29 -22.91 
1973 04 -9.13 -17.29 -13.21 
1973 05 -1.05  -6.61  -3.83 
1973 06  5.34    .13   2.73 
1973 07  8.47   3.98   6.22 
1973 08  9.10   4.41   6.76 
1973 09  7.09   2.76   4.92 
1973 10   .39  -3.80  -1.70 
1973 11 -2.57  -8.96  -5.76 
1973 12 11.28 -17.62 -14.45 
1974 01 14.12 -19.62 -16.87 
1974 02 22.62 -29.09 -25.85 
1974 03 14.26 -21.95 -18.10 
1974 04 -9.52 -18.19 -13.85 
1974 05  -.11  -6.94  -3.52 
1974 06  6.33   -.30   3.01 
1974 07 11.39   6.06   8.72 
1974 08 12.95   7.94  10.44 
1974 09  9.71   4.58   7.14 
1974 10  -.73  -6.67  -3.70 
1974 11 -7.54 -13.15 -10.34 
1974 12 21.70 -26.78 -24.24 
1975 01 14.97 -22.18 -18.57 
1975 02 15.51 -23.57 -19.54 
1975 03 10.54 -19.15 -14.84 
1975 04 10.24 -19.12 -14.68 
1975 05 -2.51  -7.63  -5.07 
1975 06  3.36  -1.72    .81 
1975 07  9.50   3.45   6.47 
1975 08 10.53   5.61   8.07 
1975 09  4.42    .34   2.38 
1975 10 -1.15  -6.47  -3.81 
1975 11 -7.53 -16.61 -12.07 
1975 12 16.54 -24.99 -20.77 
1976 01 16.36 -23.74 -20.04 
1976 02 23.42 -30.64 -27.03 
1976 03 13.88 -23.43 -18.65 
1976 04 12.65 -21.52 -17.08 
1976 05 -1.97  -7.14  -4.55 
1976 06  6.56 -99.99 -99.99 
1976 07 10.14   4.69   7.42 
1976 08 11.20   6.46   8.83 
1976 09  7.80   3.62   5.71 
1976 10   .52  -3.19  -1.33 
1976 11 -7.23 -13.41 -10.32 
1976 12 15.08 -23.00 -19.04 
1977 01 -9.76 -16.94 -13.35 
1977 02 16.79 -24.10 -20.45 
1977 03 22.44 -31.10 -26.77 
1977 04 11.09 -19.12 -15.10 
1977 05  -.22  -4.44  -2.33 
1977 06  6.30    .57   3.43 
1977 08 13.90 -99.99 -99.99 
1977 12 -8.72 -16.07 -12.40 
1979 08 11.96   7.69   9.82 
1979 09  6.82   1.84   4.33 
1979 10  2.05  -2.92   -.43 
1979 11 -2.76  -9.17  -5.96 
1979 12 15.02 -23.08 -19.04 
1980 01 14.33 -24.08 -19.20 
1980 02 10.50 -20.45 -15.48 
1980 03 11.42 -20.24 -15.83 
1980 04 10.95 -16.71 -13.83 
1980 05  1.14  -5.02  -1.94 
1980 06  6.69   1.13   3.91 
1980 07 11.13   5.81   8.47 
1980 08  9.55   4.86   7.20 
1980 09  6.91   1.33   4.12 
1980 10  2.13  -2.60   -.23 
1980 11 -3.95  -9.82  -6.88 
1980 12 14.56 -21.60 -18.08 
1981 01 -9.83 -18.93 -14.38 
1981 02 13.64 -23.03 -18.33 
1981 03 12.16 -20.00 -16.08 
1981 04 -4.26 -13.67  -8.96 
1981 05  2.94  -2.99    .-2 
1981 06  8.28   2.82   5.55 
1981 07  9.60   5.15   7.37 
1981 08  9.27   4.40   6.83 
1981 09  6.29   1.97   4.13 
1981 10   . 9  -3.87  -1.89 
1981 11 -7.31 -14.06 -10.68 
1981 12 -9.60 -17.04 -13.32 
1982 01 -8.55 -18.24 -13.39 
1982 02 -6.82 -14.38 -10.60 
1982 03 12.48 -19.54 -16.01 
1982 04 -8.70 -99.99 -99.99 
1982 05 -1.34  -5.97  -3.65 
1982 06  6.43    .92   3.67 
1982 07 11.44   6.38   8.91 
1982 08 11.09   6.49   8.79 
1982 09  6.96   3.14   5.05 
1982 10  -.48  -5.26  -2.87 
1982 11 -4.35  -9.22  -6.78 
1982 12 -9.34 -17.68 -13.51 
1983 01 14.09 -23.73 -18.91 
1983 02 17.85 -22.76 -20.30 
1983 03 13.66 -19.95 -16.80 
1983 04 -6.25 -12.76  -9.50 
1983 05  1.87  -4.80  -1.46 
1983 06  6.08    .-3   3.02 
1983 07 12.24   7.18   9.71 
1983 08  8.80   4.90   6.85 
1983 09  6.14   1.37   3.75 
1983 10  -.62  -4.91  -2.76 
1983 11 -5.74 -11.45  -8.59 
1983 12 -1.91  -7.78  -4.84 
1984 01 12.43 -20.08 -16.25 
1984 02 27.42 -31.70 -29.56 
1984 03 16.29 -22.23 -19.26 
1984 04 14.69 -22.54 -18.61 
1984 05 -2.10  -8.01  -5.06 
1984 06  8.10   1.97   5.03 
1984 07 10.59 -99.99 -99.99 
1984 08  8.87   4.80   6.83 
1984 09  8.77   3.70   6.23 
1984 10  1.96  -2.39   -.21 
1984 11 -6.44 -12.34  -9.39 
1984 12 -8.82 -99.99 -99.99 
1985 01 -7.01 -14.32 -10.66 
1985 02 14.45 -22.36 -18.40 
1985 03 17.27 -24.55 -20.91 
1985 04 17.68 -24.00 -20.84 
1985 05  -.61  -6.08  -3.34 
1985 06  3.95    .-7   1.94 
1985 07 11.95   6.29   9.12 
1985 08 12.19   7.41   9.79 
1985 09  6.60   2.60   4.60 
1985 10  -.22  -4.73  -2.47 
1985 11 -1.74  -9.85  -5.79 
1985 12 -4.96 -13.02  -8.99 
1986 01 16.36 -23.51 -19.93 
1986 02 11.05 -19.93 -15.49 
1986 03 15.22 -23.37 -19.29 
1986 04 -8.33 -17.65 -12.99 
1986 05   .34  -5.30  -2.48 
1986 06  8.12   2.14   5.13 
1986 07 11.81   7.15   9.48 
1986 08 10.10   5.73   7.91 
1986 09  6.84   2.40   4.62 
1986 10   .44  -3.43  -1.49 
1986 11 -2.85  -9.04  -5.94 
1986 12 -8.64 -14.44 -11.54 
1987 01 14.99 -21.56 -18.27 
1987 02 19.21 -25.43 -22.32 
1987 03 11.19 -20.10 -15.64 
1987 04 10.44 -19.12 -14.78 
1987 05   .34  -4.66  -2.15 
1987 06  6.33    .10   3.21 
1987 07 10.88   6.14   8.51 
1987 08 11.56   6.93   9.24 
1987 09  4.04    .61   2.32 
1987 10   .96  -2.67   -.85 
1987 11 -8.54 -13.81 -11.17 
1987 12 16.21 -22.09 -19.15 
1988 01 10.07 -18.50 -14.28 
1988 02 16.06 -23.54 -19.79 
1988 03 18.94 -26.99 -22.96 
1988 04 -6.70 -14.15 -10.42 
1988 05  -.47  -4.19  -2.33 
1988 06  5.59    .15   2.87 
1988 07 11.25   5.49   8.37 
1988 08 10.13   5.91   8.02 
1988 09  6.15   2.60   4.37 
1988 10 -1.38  -6.05  -3.71 
1988 11 10.70 -16.60 -13.65 
1988 12 12.56 -20.98 -16.77 
1989 01 20.70 -29.15 -24.92 
1989 02 -1.57  -8.28  -4.92 
1989 03 -7.72 -14.88 -11.30 
1989 04 -4.28  -9.74  -7.01 
1989 05  -.96  -4.84  -2.90 
1989 06  5.35    .73   3.04 
1989 07 10.51   6.23   8.37 
1989 08 10.57   6.95   8.76 
1989 09  8.00   4.19   6.09 
1989 10   .43  -3.66  -1.61 
1989 11 -8.30 -13.07 -10.68 
1989 12 11.68 -18.32 -15.00 
1990 01 18.62 -25.67 -22.14 
1990 02 24.29 -32.18 -28.23 
1990 03 13.70 -21.64 -17.67 
1990 04 -4.83 -12.34  -8.58 
1990 05  3.61  -1.40   1.10 
1990 06  6.67   1.50   4.08 
1990 07 11.82   6.89   9.35 
1990 08 13.73   8.70  11.21 
1990 09  6.66   2.71   4.68 
1990 10  1.00  -2.61   -.80 
1990 11 -4.77  -9.81  -7.29 
1990 12 14.15 -20.45 -17.29 
1991 01 15.17 -22.02 -18.59 
1991 02 16.49 -24.42 -20.45 
1991 03 14.13 -22.74 -18.43 
1991 04 -7.89 -13.50 -10.69 
1991 05   .71  -3.66  -1.47 
1991 06  7.68   1.76   4.71 
1991 07 11.34   6.09   8.71 
1991 08 11.88   6.23   9.05 
1991 09  9.05   4.25   6.65 
1991 10  2.97  -1.51    .73 
1991 11 -3.71 -11.15  -7.43 
1991 12 15.26 -20.85 -18.05 
1992 01 14.86 -22.06 -18.45 
1992 02 17.12 -24.96 -21.04 
1992 03 19.89 -26.40 -23.14 
1992 04 -5.88 -11.87  -8.87 
1992 05 -2.94  -6.46  -4.69 
1992 06  7.52   1.67   4.59 
1992 07 10.66   5.57   8.11 
1992 08  9.59   5.51   7.55 
1992 09  2.99   -.58   1.20 
1992 10  -.50  -4.71  -2.61 
1992 11 -6.52 -12.82  -9.67 
1992 12 12.32 -21.23 -16.77 
1993 01 15.55 -22.42 -18.98 
1993 02 10.02 -19.78 -14.90 
1993 03 14.31 -22.78 -18.54 
1993 04 -8.06 -12.97 -10.51 
1993 05  1.32  -4.17  -1.42 
1993 06  6.22   1.75   3.98 
1993 07 13.71   8.39  11.05 
1993 08  9.71   5.49   7.60 
1993 09  4.94   1.35   3.15 
1993 10  1.95  -2.21   -.13 
1993 11 -4.40 -10.62  -7.51 
1993 12 12.51 -17.51 -15.01 
1994 01 15.72 -23.67 -19.69 
1994 02 10.94 -18.15 -14.54 
1994 03 19.61 -25.67 -22.64 
1994 04 11.76 -18.21 -14.99 
1994 05 -1.64  -5.54  -3.59 
1994 06  6.35    .90   3.62 
1994 07  9.95   5.06   7.50 
1994 08  9.02   4.01   6.51 
1994 09  5.84   2.27   4.05 
1994 10 -2.07  -6.08  -4.07 
1994 11 10.41 -18.26 -14.33 
1994 12 14.91 -24.12 -19.51 
1995 01 14.60 -23.66 -19.13 
1995 02 13.61 -23.50 -18.55 
1995 03 12.90 -23.67 -18.28 
1995 04 -9.00 -14.87 -11.93 
1995 05  1.61  -3.38   -.88 
1995 06  3.46  -1.61    .92 
1995 07  8.99    .87   4.92 
1995 08  9.64   5.09   7.36 
