1950 08 -99.99   6.34 -99.99 
1950 09 -99.99   2.77 -99.99 
1950 10 -99.99  -3.49 -99.99 
1950 11  -2.66 -14.23  -8.44 
1950 12  -4.41 -99.99 -99.99 
1951 01 -12.85 -24.61 -18.73 
1951 02  -9.43 -21.55 -15.49 
1951 03  -9.82 -20.79 -15.30 
1951 05  20.54 -99.99 -99.99 
1951 06  18.57   4.39  11.48 
1951 07  24.72   6.87  15.79 
1951 08  22.79   5.33  14.06 
1951 12 -12.06 -20.26 -16.16 
1952 01 -11.87 -22.23 -17.04 
1952 02  -4.21 -15.79 -10.00 
1952 03  -3.80 -14.78  -9.29 
1952 04  14.12  -2.10   6.00 
1952 05  18.04   1.25   9.64 
1952 06  17.42   5.66  11.54 
1952 07  21.76   8.04  14.90 
1952 09  18.68   1.59  10.13 
1952 10  14.89  -2.54   6.17 
1952 11   4.57  -6.94  -1.18 
1952 12  -3.29 -12.81  -8.05 
1953 02   0.99 -15.45  -7.23 
1953 05  14.04   1.39   7.71 
1953 06  19.53 -99.99 -99.99 
1953 07  25.05  10.13  17.59 
1953 08  25.85   7.25  16.54 
1953 09  19.81   3.52  11.66 
1953 10  17.61   -.58   8.51 
1953 11   8.10  -6.56   0.77 
1953 12   -.12 -11.93  -6.02 
1954 01 -15.62 -27.55 -21.58 
1954 02   2.76  -8.52  -2.88 
1954 03  -3.58 -12.79  -8.18 
1954 04   2.21  -7.41  -2.60 
1954 05  14.28   1.42   7.85 
1954 06  18.06   6.52  12.29 
1954 07  26.21  10.46  18.33 
1954 08  21.45   9.72  15.59 
1954 09  15.54   4.15   9.84 
1954 10  11.93  -2.07   4.93 
1954 11   9.00  -4.67   2.16 
1954 12   1.63 -10.34  -4.35 
1955 01  -5.91 -16.45 -11.18 
1955 02  -8.25 -19.07 -13.66 
1955 03  -5.37 -16.57 -10.96 
1955 04   7.90  -2.50   2.70 
1955 05  14.78   1.94   8.35 
1955 06  21.14   6.05  13.59 
1955 07  23.42  11.18  17.29 
1955 08  25.94   7.37  16.65 
1955 09  17.29   1.55   9.42 
1955 10  13.44  -1.74   5.85 
1955 11  -5.67 -18.64 -12.15 
1955 12 -10.04 -21.24 -15.64 
1956 01  -9.95 -19.45 -14.70 
1956 02  -9.37 -19.69 -14.53 
1956 03  -1.19 -99.99 -99.99 
1956 04   8.03 -99.99 -99.99 
1956 05  16.25   3.01   9.63 
1956 06  22.83   8.01  15.42 
1956 07  22.69   9.78  16.23 
1956 08  24.16   7.19  15.67 
1956 09  18.04   2.74  10.39 
1956 10  11.65  -2.04   4.80 
1956 11   4.73  -7.26  -1.26 
1956 12  -3.33 -13.41  -8.37 
1957 01 -12.67 -22.79 -17.73 
1957 02  -5.94 -16.93 -11.43 
1957 03   1.04  -9.64  -4.30 
1957 04  10.17  -3.26   3.45 
1957 05  19.21   3.64  11.42 
1957 06  21.39   7.51  14.45 
1957 07  27.55   9.68  18.61 
1957 08  22.46   9.22  15.84 
1957 09  18.42   3.90  11.16 
1957 10   8.82  -4.35   2.23 
1957 11   2.08  -6.29  -2.09 
1958 04  11.20  -1.84   4.67 
1958 05  22.00   4.08  13.04 
1958 06  21.36   4.31  12.83 
1958 07  24.46   7.39  15.92 
1958 08  27.68   8.68  18.18 
1958 09  18.99   2.58  10.78 
1958 10  14.98  -2.19   6.39 
1958 11   0.65  -9.18  -4.27 
1958 12  -3.63 -12.16  -7.89 
1959 01 -11.06 -18.90 -14.98 
1959 02  -6.65 -18.70 -12.67 
1959 03   5.61  -2.20   1.70 
1959 04   9.87   0.13   5.00 
1959 05  15.14   0.97   8.05 
1959 06  23.25   7.90  15.57 
1959 07  26.05  10.18  18.11 
1959 08  25.29   7.20  16.24 
1959 09  17.17   2.89  10.03 
1959 10   8.68  -3.14   2.77 
1959 11  -1.16 -11.31  -6.24 
1959 12   1.56  -8.37  -3.40 
1960 01  -6.05 -18.16 -12.10 
1960 02  -6.73 -16.31 -11.52 
1960 03   0.47 -11.71  -5.62 
1960 04  10.26  -2.48   3.89 
1960 05  18.08   2.99  10.53 
1960 06  22.19   6.05  14.12 
1960 07  29.90  11.93  20.91 
1960 08  25.19   9.08  17.13 
1960 09  21.86   4.26  13.06 
1960 10  13.51  -1.26   6.12 
1960 11   -.16 -10.10  -5.13 
1960 12  -2.35 -13.46  -7.91 
1961 01  -3.14 -13.12  -8.13 
1961 02   -.42 -11.06  -5.74 
1961 03   4.91  -6.71   -.90 
1961 04   8.37 -99.99 -99.99 
1961 05  18.02   4.00  11.01 
1961 06  28.11   8.13  18.12 
1961 07  27.88  10.22  19.04 
1961 08  30.63  11.48  21.05 
1961 09  16.04   1.26   8.65 
1961 10  11.16  -2.46   4.35 
1961 11   1.74 -11.28  -4.77 
1961 12  -5.56 -18.95 -12.25 
1962 01  -3.06 -16.54  -9.80 
1962 02  -5.85 -17.35 -11.60 
1962 03 -99.99 -13.28 -99.99 
1962 04 -99.99  -1.03 -99.99 
1962 05 -99.99   2.39 -99.99 
1962 06  24.07   8.20  16.13 
1962 07 -99.99   8.55 -99.99 
1962 08  24.10   8.97  16.53 
1962 09  19.07   2.59  10.83 
1962 10  14.03   1.49   7.76 
1962 11   7.14  -3.89   1.62 
1962 12   0.46 -99.99 -99.99 
1963 01 -11.20 -23.55 -17.37 
1963 02   0.45 -10.83  -5.19 
1963 03   6.78  -4.23   1.27 
1963 04  10.63  -1.48   4.57 
1963 05  16.09   2.62   9.35 
1963 06  20.87   8.59  14.73 
1963 07  26.83  10.20  18.51 
1963 08  27.12   9.01  18.06 
1963 09  24.86   5.79  15.32 
1963 10  18.45   1.25   9.85 
1963 11   4.16  -9.68  -2.76 
1964 01 -99.99 -13.82 -99.99 
1964 02   0.87 -10.02  -4.57 
1964 03  -0.09 -12.30  -6.19 
1964 04  11.50  -1.89   4.80 
1964 05  18.14   3.54  10.84 
1964 06  21.75   6.93  14.34 
1964 07  28.56  10.59  19.57 
1964 08  24.29   7.96  16.12 
1964 09  15.35   2.61   8.98 
1964 10  15.17  -1.56   6.80 
1964 11   2.10 -12.34  -5.11 
1964 12 -13.66 -23.77 -18.71 
1965 01 -10.14 -20.34 -15.24 
1965 02  -4.66 -17.54 -11.10 
1965 03  -5.04 -17.45 -11.25 
1965 04   8.20  -2.05   3.07 
1965 05  16.04   1.67   8.85 
1965 06  20.82   7.39  14.10 
1965 07  25.90  10.16  18.02 
1965 08  25.41   9.18  17.29 
1965 09  11.13  -1.02   5.05 
1965 10  17.07   -.89   8.09 
1965 11   -.57 -11.87  -6.22 
1965 12  -4.17 -14.15  -9.16 
1966 01 -15.03 -25.37 -20.20 
1966 02  -7.10 -18.04 -12.57 
1966 03   4.25  -7.68  -1.71 
1966 04   6.94  -4.98   0.98 
1966 05  19.45   2.38  10.92 
1966 06  20.50   6.32  13.41 
1966 07  25.98   9.56  17.77 
1966 08  23.59   6.60  15.09 
1966 09  22.75   4.65  13.70 
1966 10  12.55  -2.85   4.85 
1966 11  -2.85 -14.65  -8.75 
1966 12  -2.55 -13.65  -8.09 
1967 01  -5.96 -19.14 -12.54 
1967 02  -4.14 -18.46 -11.30 
1967 03  -3.91 -13.71  -8.81 
1967 04   4.19  -7.80  -1.80 
1967 05  15.51   1.48   8.49 
1967 06  20.93   4.92  12.93 
1967 07  28.29   8.22  18.25 
1967 08 -99.99   7.77 -99.99 
1967 09  23.18   4.64  13.91 
1967 10  12.53  -1.16   5.68 
1967 11   2.48  -9.34  -3.43 
1967 12  -5.05 -17.26 -11.15 
1968 01  -7.11 -19.79 -13.45 
1968 02   -.99 -13.72  -7.35 
1968 03   7.45  -5.55   0.94 
1968 04  11.06  -4.55   3.25 
1968 05  16.21   0.50   8.35 
1968 06  20.57   7.00  13.78 
1968 07  26.38   7.49  16.93 
1968 09  18.69 -99.99 -99.99 
1968 10  12.88 -99.99 -99.99 
1968 11   4.23 -99.99 -99.99 
1968 12  -9.42 -20.33 -14.87 
1969 01 -18.40 -29.88 -24.14 
1969 02  -6.51 -19.62 -13.06 
1969 03  -2.65 -14.07  -8.35 
1969 04  13.97   -.77   6.60 
1969 05  18.35   1.94  10.14 
1969 06  20.60   4.62  12.61 
1969 07  24.02   8.91  16.46 
1969 09  21.15   3.19  12.17 
1969 10   5.24  -4.64   0.29 
1969 11   5.32  -6.99   -.83 
1969 12  -1.74 -11.88  -6.81 
1970 01 -11.05 -20.98 -16.01 
1970 02  -2.62 -15.96  -9.29 
1970 03  -2.08 -13.68  -7.88 
1970 04   6.70  -3.76   1.46 
1970 05  17.34   2.09   9.72 
1970 06  25.07   9.88  17.47 
1970 07  26.20  10.58  18.39 
1970 08  28.04   6.91  17.47 
1970 09  18.61   2.05  10.33 
1970 10   9.95  -3.98   2.98 
1970 11  -1.85 -11.91  -6.88 
1970 12  -7.26 -19.91 -13.58 
1971 01 -11.73 -23.26 -17.49 
1971 02  -3.49 -15.24  -9.36 
1971 03   -.85 -13.01  -6.93 
1971 04  10.88  -3.11   3.88 
1971 05  19.34   2.08  10.71 
1971 06  22.35   6.96  14.65 
1971 07  24.73   7.44  16.08 
1971 08  30.89   9.95  20.42 
1971 09  17.87   0.96   9.41 
1971 10  11.17  -4.86   3.15 
1971 11   2.88  -8.46  -2.79 
1971 12  -8.93 -22.98 -15.95 
1972 01 -11.74 -24.41 -18.07 
1972 02  -8.95 -20.90 -14.92 
1972 03   4.33 -10.41  -3.04 
1972 04  11.86  -4.14   3.86 
1972 05  19.06   2.73  10.89 
1972 06  23.15   7.73  15.44 
1972 07  22.91   6.48  14.69 
1972 09  14.71   0.13   7.42 
1972 10   9.18  -4.42   2.38 
1972 11   1.41  -7.30  -2.94 
1972 12  -9.22 -19.45 -14.34 
1973 01  -2.99 -14.05  -8.52 
1973 02  -2.34 -13.49  -7.92 
1973 03   9.34  -6.28   1.53 
1973 04   9.07  -3.95   2.56 
1973 05  19.45   2.40  10.92 
1973 06  23.02   6.82  14.92 
1973 07  27.28   8.35  17.81 
1973 08  26.93  10.20  18.56 
1973 09  18.81   3.73  11.27 
1973 10  13.98   -.79   6.59 
1973 11  -3.90 -14.02  -8.96 
1973 12  -5.32 -15.07 -10.19 
1974 01  -8.08 -18.95 -13.51 
1974 02   -.78 -11.85  -6.31 
1974 03   -.85 -11.04  -5.94 
1974 04  13.16   -.91   6.12 
1974 05  14.13   1.81   7.97 
1974 06  24.37   8.20  16.28 
1974 07  26.88  10.70  18.78 
1974 08  20.80   7.79  14.29 
1974 09  18.14   1.78   9.96 
1974 10  15.75  -1.11   7.32 
1974 11   4.42  -6.94  -1.25 
1974 12   0.58 -11.02  -5.22 
1975 01  -5.53 -15.30 -10.41 
1975 02  -8.52 -19.08 -13.80 
1975 03  -2.87 -12.89  -7.88 
1975 04   2.93  -6.47  -1.76 
1975 05  15.63   2.87   9.25 
1975 06  21.27   7.62  14.44 
1975 07  28.41  12.01  20.20 
1975 09  18.93   3.21  11.07 
1975 10  11.36  -1.07   5.14 
1975 11   3.76  -8.91  -2.57 
1975 12  -2.95 -14.24  -8.59 
1976 01  -4.73 -14.93  -9.83 
1976 02   1.20  -9.09  -3.94 
1976 03   1.92  -9.35  -3.71 
1976 04  13.70   -.84   6.43 
1976 05  21.85   2.97  12.41 
1976 06  20.16   7.36  13.76 
