1956 01 -3.07 -11.21  -7.14 
1956 02 -1.46 -10.82  -6.14 
1956 03   .73 -10.05  -4.66 
1956 04  8.62  -2.52   3.05 
1956 05 15.32   2.33   8.83 
1956 06 23.09  10.68  16.88 
1956 07 23.93  11.66  17.79 
1956 08 24.30  12.12  18.20 
1956 09 18.82   4.81  11.81 
1956 10 16.89   2.38   9.63 
1956 11  7.06  -1.78   2.64 
1956 12  1.37  -6.79  -2.71 
1957 01 -5.15 -14.37  -9.76 
1957 02   .30 -10.25  -4.97 
1957 03  3.89  -6.16  -1.13 
1957 04 12.65    .74   6.69 
1957 05 16.87   4.39  10.63 
1957 06 23.64  11.36  17.50 
1957 07 26.08  11.59  18.83 
1957 08 24.71   9.39  17.05 
1957 09 20.97   6.85  13.91 
1957 10 13.26   1.20   7.23 
1957 11  6.69  -2.17   2.26 
1957 12  2.22  -6.29  -2.03 
1958 01 -3.34 -11.00  -7.17 
1958 02 -5.21 -13.86  -9.53 
1958 03  3.40  -4.46   -.53 
1958 04 13.55   -.99   6.28 
1958 05 18.25   2.27  10.26 
1958 06 21.88   7.38  14.62 
1958 07 26.09  11.69  18.89 
1958 08 26.41  10.30  18.35 
1958 09 21.14   8.20  14.67 
1958 10 13.83   2.92   8.37 
1958 11  7.33  -2.10   2.61 
1958 12 -4.05 -13.94  -8.99 
1959 01 -4.48 -13.71  -9.09 
1959 02 -4.11 -15.86  -9.98 
1959 03  1.36  -9.72  -4.18 
1959 04 11.00   -.50   5.25 
1959 05 20.20   5.59  12.89 
1959 06 24.55  10.91  17.73 
1959 07 28.03  11.85  19.94 
1959 08 27.88  15.37  21.62 
1959 09 23.08  10.24  16.66 
1959 10 12.52   3.51   8.01 
1959 11  4.27  -3.41    .42 
1959 12  -.52  -6.60  -3.56 
1960 01 -3.14 -10.63  -6.88 
1960 02 -2.19 -10.40  -6.29 
1960 03 -2.48 -14.33  -8.40 
1960 04 11.95    .79   6.37 
1960 06 22.66   9.13  15.89 
1960 07 25.13  10.81  17.96 
1960 08 25.29  10.18  17.74 
1960 09 22.34   8.04  15.19 
1960 10 15.34   1.17   8.26 
1960 11  8.93    .-9   4.42 
1960 12 -2.92 -12.03  -7.47 
1961 01 -5.63 -14.56 -10.09 
1961 02  -.16 -11.01  -5.58 
1961 06 22.74   9.76  16.25 
1961 07 25.67  12.60  19.13 
1961 08 25.54  12.31  18.92 
1961 09 24.88  11.48  18.18 
1981 08 24.21  13.71  18.95 
1981 10 10.13   1.47   5.80 
1981 11  6.60  -1.47   2.56 
1981 12 -1.29  -7.32  -4.30 
1982 01 -6.53 -16.52 -11.52 
1982 02 -3.80 -11.96  -7.88 
1982 03  1.29  -7.21  -2.96 
1982 04  9.72  -2.07   3.83 
1982 05 20.32   8.50  14.41 
1982 06 20.20   9.53  14.86 
1982 07 26.57  14.20  20.38 
1982 09 19.73   9.12  14.42 
1982 10 14.71   3.76   9.23 
1982 11  6.57  -1.09   2.74 
1982 12  2.84  -5.47  -1.31 
1983 01 -1.90  -9.58  -5.74 
1983 02   .18  -8.21  -4.01 
1983 03  4.07  -4.30   -.11 
1983 04  9.87   -.21   4.83 
1983 05 14.85   3.50   9.17 
1983 07 28.73  14.73  21.73 
1983 08 25.97  13.81  19.89 
1983 10 99.99   3.10 -99.99 
1983 11 99.99  -1.85 -99.99 
1983 12 -3.62 -10.89  -7.25 
1984 01 -6.11 -14.77 -10.44 
1984 02  1.45  -5.74  -2.14 
