1956 10 13.85   -.52   6.66 
1956 11  4.30  -6.71  -1.20 
1956 12 -3.85 -17.15 -10.50 
1957 01 99.99 -23.94 -99.99 
1957 02 -1.90 -16.95  -9.42 
1957 03  3.19 -12.14  -4.47 
1957 04 10.97  -2.83   4.07 
1957 05 17.53   1.43   9.48 
1957 06 23.74   8.89  16.32 
1957 07 23.94   7.24  15.59 
1957 08 22.15   5.09  13.62 
1957 09 18.92   5.24  12.08 
1957 10 12.76   -.32   6.22 
1957 11  5.13  -3.34    .89 
1957 12 -1.75 -13.75  -7.75 
1958 01 -5.24 -15.79 -10.51 
1958 02 -8.06 -19.65 -13.85 
1958 03  4.01  -5.69   -.83 
1958 04 12.17  -2.94   4.61 
1958 05 15.79    .33   8.06 
1958 06 19.81   4.69  12.25 
1958 07 24.16  10.96  17.56 
1958 08 22.49   8.10  15.29 
1958 09 17.95   5.93  11.94 
1960 04  9.95  -3.49   3.23 
1960 05 21.83   5.81  13.82 
1960 06 22.79   7.56  15.17 
1960 07 23.58   8.14  15.86 
1960 08 25.20   7.89  16.54 
1960 09 19.66   7.26  13.46 
1960 10 11.35   -.90   5.22 
1960 11  5.17  -3.08   1.04 
1960 12 -5.61 -18.33 -11.97 
1961 01 10.18 -26.12 -18.15 
1961 02 -2.58 -17.37  -9.97 
1961 03  1.45 -11.15  -4.85 
1961 04  8.67  -1.53   3.57 
1961 05 15.89   1.20   8.54 
1961 06 21.77   6.78  14.27 
1961 07 24.23  13.10  18.66 
1961 08 23.76  10.54  17.15 
1961 09 22.61   9.63  16.12 
1961 10 13.72    .46   7.09 
1961 11  4.94  -4.39    .27 
1961 12 -2.76 -12.57  -7.66 
1962 01 -8.93 -23.67 -16.30 
1962 02 -7.30 -25.41 -16.35 
1962 03  4.78 -11.72  -3.47 
1962 04  9.42  -3.96   2.73 
1962 05 20.32   3.97  12.14 
1962 06 24.78   5.69  15.23 
1962 07 23.96   7.86  15.91 
1962 08 24.63  10.54  17.58 
1962 09 17.45   5.20  11.32 
1962 10 11.42    .74   6.08 
1962 11  3.04  -7.89  -2.42 
1962 12 -4.67 -16.51 -10.59 
1963 01 -7.70 -21.19 -14.44 
1963 02 -9.05 -27.46 -18.25 
1963 03  2.15 -14.89  -6.37 
1963 04  9.91  -4.32   2.79 
1963 05 18.64    .51   9.57 
1963 06 25.79   8.13  16.96 
1963 07 26.43 -99.99 -99.99 
1963 08 20.63   7.17  13.90 
1963 09 17.65    .87   9.26 
1963 10 17.75    .-4   8.85 
1963 11  5.83  -2.55   1.64 
1963 12 -8.33 -22.72 -15.52 
1964 01 -3.37 -19.67 -11.52 
1964 02 -3.94 -99.99 -99.99 
1964 03  1.59 -12.62  -5.51 
1964 04 10.52  -4.94   2.78 
1964 05 21.14   3.31  12.22 
1964 06 23.29   6.81  15.05 
1964 07 26.97  11.31  19.14 
1964 08 21.19   6.65  13.92 
1964 09 18.37   3.77  11.07 
1964 11  4.44  -7.91  -1.73 
1964 12 -2.66 -14.11  -8.38 
1965 01 -7.36 -99.99 -99.99 
1965 02 -5.44 -22.65 -14.04 
1965 03  1.15 -14.20  -6.52 
1965 04  8.93  -7.16    .88 
1965 05 19.67   1.89  10.78 
1965 06 23.92   5.99  14.95 
1965 07 22.87   7.65  15.26 
1965 09 19.31   4.21  11.76 
1965 10 10.30    .-1   5.14 
1965 11  1.89  -7.65  -2.88 
1965 12 -1.99 -12.47  -7.23 
1966 01 -5.79 -19.52 -12.65 
1966 02 -2.77 -18.46 -10.62 
1966 03 99.99  -9.76 -99.99 
1966 04  9.72  -3.98   2.87 
1966 05 15.54   -.50   7.52 
1966 06 24.01   8.38  16.19 
1966 07 25.86   9.22  17.54 
1966 08 22.96   9.89  16.43 
1966 09 17.68   2.55  10.11 
1966 10 11.86   -.32   5.77 
1966 11  6.67  -3.47   1.60 
1966 12 -3.44 -14.37  -8.90 
1967 01 99.99 -17.25 -99.99 
1967 02 -8.89 -25.85 -17.37 
1967 04  9.10  -4.39   2.35 
1967 05 14.24  -1.33   6.45 
1967 06 24.64   8.67  16.65 
1967 07 24.99  11.31  18.15 
1967 08 23.86  10.46  17.16 
1967 09 19.59   4.94  12.26 
1967 10 11.95    .34   6.14 
1967 11  2.03  -6.69  -2.33 
1967 12 -2.69 -15.97  -9.33 
1968 01 -9.21 -25.12 -17.16 
1968 02 -7.77 -21.88 -14.82 
1968 03  3.71  -9.84  -3.06 
1968 04 14.06  -3.78   5.14 
1968 05 18.21 -99.99 -99.99 
1968 06 21.16   8.07  14.61 
1968 07 25.42  10.68  18.04 
1968 08 22.28   6.59  14.43 
1968 09 21.25   7.28  14.26 
1968 10 14.50   1.71   8.10 
1968 11  1.31  -7.16  -2.92 
1968 12 -5.94 -17.37 -11.66 
1969 01 -4.57 -17.92 -11.24 
1969 02 -2.78 -15.40  -9.09 
1969 03  1.45 -12.27  -5.41 
1969 04  9.52  -5.60   1.96 
1969 05 16.54    .43   8.49 
1969 06 22.43   8.10  15.26 
1969 07 25.23   9.50  17.36 
1969 08 25.07  11.19  18.12 
1969 09 17.70   5.10  11.40 
1969 10 10.48   -.44   5.02 
1969 11  4.63  -4.44    . 9 
1969 12 -5.19 -18.08 -11.63 
1970 01 10.77 -28.87 -19.82 
1970 02 -5.50 -22.10 -13.80 
1970 03  1.11 -13.89  -6.39 
1970 04 10.14  -4.34   2.90 
1970 05 17.90   1.78   9.84 
1970 06 23.67   7.00  15.33 
1970 07 26.22  11.60  18.91 
1970 08 25.14   9.14  17.14 
1970 09 17.92   5.00  11.46 
1970 10 14.28   -.91   6.68 
1970 11  5.41  -4.98    .21 
1970 12 -6.54 -19.77 -13.15 
1971 01 -8.72 -25.69 -17.20 
1971 02 -4.00 -20.67 -12.33 
1971 03   .67 -14.91  -7.12 
1971 04  8.31  -5.51   1.40 
1971 05 19.39   1.95  10.67 
1971 06 24.42   6.18  15.30 
1971 07 24.62   8.67  16.64 
1971 08 23.57   8.53  16.04 
1971 09 21.29   8.30  14.79 
1971 10 15.57   2.33   8.95 
1971 11  2.88  -7.85  -2.48 
1971 12 -2.46 -17.62 -10.04 
1972 01 -3.28 -22.55 -12.91 
1972 02 -7.13 -25.62 -16.37 
1972 03  -.93 -16.12  -8.52 
1972 04  7.40  -7.57    .-8 
1972 05 20.31   1.99  11.15 
1972 06 22.10   8.13  15.11 
1972 07 25.21  11.88  18.54 
1972 08 21.92   8.91  15.41 
1972 09 18.52   4.69  11.61 
1972 10  7.79  -1.11   3.34 
1972 11  1.35  -8.00  -3.32 
1972 12 -4.75 -16.94 -10.84 
1973 01 -4.09 -17.87 -10.98 
1973 02 -5.78 -22.32 -14.05 
1973 03  4.67  -4.91   -.11 
1973 04 10.35  -1.76   4.29 
1973 05 16.86   2.87   9.86 
1973 06 23.46   7.93  15.69 
1973 07 25.79  11.50  18.64 
1973 08 25.19  12.84  19.01 
1973 09 17.54   4.61  11.07 
1973 10 12.92   1.21   7.06 
1973 11  1.19  -5.15  -1.98 
1973 12 -4.31 -14.10  -9.20 
1974 01 -7.04 -21.67 -14.35 
1974 02 -7.20 -23.86 -15.53 
1974 03  -.57 -14.74  -7.65 
1974 04  8.85  -4.19   2.33 
1974 05 13.85   1.77   7.81 
1974 06 22.55   8.10  15.33 
1974 07 24.41  10.17  17.29 
1974 08 24.09   8.33  16.20 
1974 09 16.60   4.17  10.38 
1974 10  8.47  -2.95   2.76 
1974 11  3.17  -6.76  -1.79 
1974 12 -1.80 -11.61  -6.70 
1975 01 -6.08 -19.50 -12.79 
1975 02 -4.82 -20.84 -12.83 
1975 03  -.32 -14.56  -7.44 
1975 04  6.80  -6.12    .34 
1975 05 22.65   4.17  13.41 
1975 06 23.94   8.14  16.04 
1975 07 27.24  11.34  19.29 
1975 08 25.61   7.83  16.72 
1975 09 17.50   4.92  11.21 
1975 10 12.55    .16   6.35 
1975 11  5.42  -4.26    .57 
1975 12 -5.41 -19.78 -12.59 
1976 01 10.00 -26.16 -18.08 
1976 02 -3.18 -18.33 -10.75 
1976 03   .77 -13.55  -6.39 
1976 04 11.42  -2.97   4.22 
1976 05 16.28   1.65   8.96 
1976 06 26.04   8.85  17.45 
1976 08 22.35   9.75  16.04 
