1956 03   .12  -9.37  -4.62 
1956 04  8.37  -2.02   3.17 
1956 05 13.92   3.06   8.49 
1956 06 21.39  10.77  16.08 
1956 07 22.33  12.40  17.36 
1956 08 23.81  12.54  18.17 
1956 09 17.23   6.95  12.09 
1956 10 16.45   4.03  10.24 
1956 11  6.53  -1.77   2.38 
1956 12   .14  -6.74  -3.30 
1957 01 -5.49 -14.51 -10.00 
1957 02 -1.43 -11.23  -6.33 
1957 03  2.36  -6.50  -2.06 
1957 04 10.44    .56   5.50 
1957 05 15.02   4.12   9.57 
1957 06 22.63  11.44  17.03 
1957 07 23.95  12.04  17.99 
1957 08 22.22  10.50  16.36 
1957 09 19.37   7.96  13.66 
1957 10 12.43   2.15   7.29 
1957 11  5.74 -99.99 -99.99 
1957 12   .99  -6.81  -2.91 
1958 01 -3.81 -10.76  -7.28 
1958 02 -6.43 -14.35 -10.39 
1958 03  2.08  -4.75  -1.33 
1958 04 12.70   -.14   6.28 
1958 05 17.53   2.88  10.20 
1958 08 26.01  12.74  19.37 
1958 09 21.04  10.63  15.83 
1958 10 16.01   5.68  10.84 
1958 11  9.35   1.34   5.34 
1958 12 -2.25 -11.58  -6.91 
1959 01 -2.87 -11.53  -7.20 
1959 02 -1.31 -12.90  -7.10 
1959 03  3.32  -6.59  -1.63 
1959 04 13.38   1.61   7.49 
1959 05 21.29   8.82  15.05 
1959 06 24.53  12.19  18.36 
1959 07 28.05  14.95  21.50 
1959 08 28.79  17.36  23.07 
1959 09 23.50  12.30  17.90 
1959 10 14.25   6.20  10.22 
1959 11  4.88  -1.94   1.47 
1959 12  2.52  -4.11   -.79 
1960 01  -.52  -6.22  -3.37 
1960 02  -.36  -8.07  -4.21 
1960 03  -.25 -11.58  -5.91 
1960 04 12.97   2.89   7.93 
1960 05 18.62   8.41  13.51 
1960 06 23.95  11.48  17.71 
1960 07 26.50  12.67  19.58 
1960 08 27.59  13.76  20.67 
1960 09 24.53  10.74  17.63 
1960 10 16.06   3.81   9.93 
1960 11  9.22   1.02   5.12 
1960 12 -1.45  -9.50  -5.47 
1961 01 -3.54 -11.88  -7.71 
1961 02  1.57  -9.10  -3.76 
1961 04  9.02    .31   4.66 
1961 05 17.37   5.52  11.45 
1961 06 24.12  12.41  18.26 
1961 07 26.64  14.94  20.79 
1961 08 26.03  14.75  20.39 
1961 09 24.95  13.95  19.45 
1961 10 17.60   6.20  11.90 
1961 11  8.82    .18   4.50 
1961 12  1.48  -5.20  -1.85 
1962 01 -3.16 -11.17  -7.16 
1962 03  4.54  -5.04   -.25 
1962 04 13.77   1.80   7.78 
1962 05 23.04   9.57  16.30 
1962 06 24.30  12.30  18.29 
1962 07 26.61  12.90  19.75 
1962 08 26.77  13.18  19.97 
1962 09 20.08   9.13  14.60 
1962 10 15.45   6.09  10.77 
1962 11  6.97    .-9   3.43 
1962 12 99.99  -7.25 -99.99 
1963 01 -5.29 -12.01  -8.64 
1963 11  9.35 -99.99 -99.99 
1965 08 23.39  12.64  18.01 
1965 09 22.09  11.70  16.89 
1965 10 12.72   4.42   8.57 
1965 11  6.75    .17   3.46 
1965 12  2.58  -2.94   -.18 
1966 02   .-4  -6.87  -3.45 
1966 03  5.63  -2.71   1.46 
1966 04  9.50   1.16   5.33 
