1956 12 -8.95 -18.03 -13.49 
1957 01 14.01 -23.78 -18.89 
1957 02 -7.94 -19.29 -13.61 
1957 03 -1.24 -11.80  -6.52 
1957 04  9.28  -3.38   2.94 
1957 05 20.62   5.31  12.96 
1957 06 21.24   7.74  14.49 
1957 07 27.69  11.23  19.45 
1957 08 23.16   9.58  16.36 
1957 09 19.12   5.07  12.09 
1957 10  8.24  -3.46   2.38 
1957 11   .42  -7.86  -3.72 
1957 12 -3.80 -14.00  -8.89 
1958 01 -4.57 -13.15  -8.85 
1958 02 10.44 -19.83 -15.13 
1958 03 -1.65 -10.50  -6.07 
1958 04 11.91   -.11   5.90 
1958 05 21.83   5.34  13.58 
1958 06 22.31   6.86  14.58 
1958 07 24.83  10.87  17.85 
1958 08 27.15  11.01  19.08 
1958 09 18.60   5.15  11.87 
1958 10 14.04   -.96   6.54 
1958 11 -1.54 -10.88  -6.21 
1958 12 -7.33 -16.75 -12.04 
1959 01 16.71 -25.04 -20.88 
1959 02 10.07 -20.61 -15.34 
1959 03  3.91  -5.99  -1.03 
1959 04 11.67  -1.72   4.97 
1959 05 16.75   2.69   9.72 
1959 06 23.10   9.82  16.45 
1959 07 27.39  11.60  19.49 
1959 08 25.05   8.63  16.84 
1959 09 15.57   3.61   9.59 
1959 10  5.27  -3.27   1.00 
1959 11 -4.21 -12.34  -8.28 
1959 12 -3.26 -10.44  -6.85 
1960 01 12.80 -23.55 -18.17 
1960 02 -9.42 -18.54 -13.98 
1960 03 -4.05 -14.61  -9.33 
1960 04  9.52  -1.51   4.00 
1960 05 18.62   3.74  11.18 
1960 06 21.32   8.04  14.68 
1960 07 28.24  12.57  20.40 
1960 08 25.40  10.32  17.86 
1960 09 21.84   4.96  13.40 
1960 10 13.29   -.65   6.32 
1960 11 -1.51 -12.34  -6.92 
1960 12 -5.97 -15.01 -10.49 
1961 01 -6.39 -16.87 -11.63 
1961 02 -5.12 -16.69 -10.90 
1961 04  8.33  -5.04   1.64 
1961 05 19.12   4.14  11.63 
1961 06 27.95  11.27  19.61 
1961 07 28.05  10.83  19.43 
1961 08 31.25  11.70  21.47 
1961 09 17.04   1.58   9.31 
1961 10  9.83  -1.67   4.08 
1961 11  -.17 -10.38  -5.27 
1961 12 13.58 -24.56 -19.07 
1962 01 -9.22 -21.28 -15.25 
1962 02 12.68 -23.29 -17.98 
1962 03 -4.42 -16.14 -10.28 
1962 04 12.30  -1.11   5.59 
1962 05 17.60   4.19  10.89 
1962 06 24.52   9.51  17.01 
1962 07 25.76   8.93  17.34 
1962 08 25.31   8.89  17.10 
1962 09 19.37   3.86  11.62 
1962 10 15.00    . 5   7.52 
1962 11  5.54  -5.27    .13 
1962 12 -4.56 -14.88  -9.72 
1963 01 13.36 -24.69 -19.02 
1963 02 -6.17 -17.23 -11.70 
1963 03  2.69  -9.10  -3.20 
1963 04 11.33  -1.91   4.71 
1963 05 17.23   2.08   9.65 
1963 06 21.80   9.43  15.61 
1963 07 27.31  12.36  19.83 
1963 08 26.05  11.28  18.66 
1963 09 22.46   7.95  15.20 
1963 10 17.95   2.13  10.04 
1963 11  2.16 -10.46  -4.15 
1963 12 -9.01 -18.24 -13.62 
1964 01 -6.77 -16.56 -11.66 
1964 02 -1.43 -13.11  -7.27 
1964 03 -3.26 -16.52  -9.89 
1964 04 12.83  -1.82   5.50 
1964 05 20.12   5.04  12.58 
1964 06 23.66   7.70  15.68 
