1956 01 -9.12 -16.96 -13.04 
1956 02 -4.54 -13.70  -9.12 
1956 03   .-4 -11.25  -5.64 
1956 04  5.95  -2.39   1.77 
1956 11 -2.49  -9.38  -5.93 
1956 12 -8.97 -15.75 -12.36 
1957 01 -4.13 -11.15  -7.64 
1957 02 -2.58 -12.78  -7.68 
1957 03  4.69  -2.94    .87 
1957 04  8.13  -2.05   3.04 
1957 12 -7.06 -12.82  -9.93 
1958 01  -.61  -7.16  -3.88 
1958 02   . 2  -8.49  -4.23 
1958 03  3.77  -3.58    . 9 
1958 04 10.08  -1.15   4.46 
1958 05 13.24   2.51   7.87 
1958 07 17.79   8.74  13.26 
1958 08 16.40   7.70  12.04 
1958 09 12.16   2.80   7.48 
1958 10  3.67  -4.69   -.51 
1958 11 -1.40  -6.98  -4.19 
1958 12 -2.18  -7.15  -4.66 
1959 01 -7.36 -14.34 -10.85 
1959 02   .72  -6.90  -3.09 
1959 03 -1.85 -14.46  -8.15 
1959 04  6.03  -2.07   1.98 
1959 05 13.99   1.51   7.75 
1959 06 21.00   6.09  13.54 
1959 07 17.19   8.58  12.88 
1959 08 18.09   7.60  12.84 
1959 09 13.25   3.03   8.14 
1959 10  6.00  -2.40   1.80 
1959 11  2.02  -3.67   -.82 
1959 12 -1.60  -7.68  -4.64 
1960 01 -2.86  -9.89  -6.37 
1960 02  2.35  -4.89  -1.26 
1960 03   .96 -10.61  -4.82 
1960 04  5.68  -2.30   1.69 
1960 05 14.73   2.81   8.76 
1960 06 17.62   5.76  11.69 
1960 07 19.16   8.49  13.82 
1960 08 17.83   7.07  12.45 
1960 09 12.24   4.36   8.30 
1960 10  7.94   -.31   3.81 
1960 11   .46  -5.43  -2.48 
1960 12  1.77  -3.74   -.98 
1961 01   .67  -5.73  -2.53 
1961 02 -1.31  -8.64  -4.97 
1961 03 -1.22 -12.53  -6.87 
1961 04  6.85  -2.33   2.26 
1961 05 14.56    .99   7.77 
1961 06 18.56   5.54  12.04 
1961 07 19.06   8.10  13.58 
1961 08 16.85   7.38  12.11 
1961 09 13.78   3.70   8.74 
1961 11 -1.87  -9.35  -5.61 
1961 12 10.48 -17.39 -13.93 
1962 01 -4.15 -11.15  -7.64 
1962 02  -.58  -8.18  -4.38 
1962 03   .81  -9.83  -4.50 
1962 04  7.37  -1.39   2.99 
1962 05 12.38   1.49   6.93 
1962 06 17.24   5.72  11.48 
1962 07 20.45   7.68  14.06 
1962 12 -2.42  -8.89  -5.65 
1963 01  -.72  -9.10  -4.91 
1963 02  2.48  -5.75  -1.63 
1963 03  1.58  -6.60  -2.51 
1963 05 13.60   1.79   7.69 
1963 10  7.21  -1.57   2.82 
1963 11 -5.31 -13.43  -9.37 
1963 12  2.75  -3.43   -.34 
1964 01 -1.38  -9.22  -5.30 
1964 02   .34  -9.29  -4.47 
1964 03  -.30 -12.69  -6.49 
1964 05 11.79   -.14   5.82 
1964 11   .42  -7.82  -3.70 
1964 12 -9.93 -19.20 -14.56 
1965 09 13.54   6.49  10.01 
1965 10  2.18  -4.59  -1.20 
1965 11 -2.89  -9.76  -6.32 
1965 12 -5.90 -14.32 -10.10 
1966 01 -6.29 -14.10 -10.19 
1966 09 12.22   2.76   7.49 
1966 12 -6.01 -14.25 -10.13 
1967 02 -2.31 -11.80  -7.05 
1977 02  4.67   -.45   2.11 
1977 03  1.25  -7.58  -3.16 
1977 04  5.29  -2.49   1.40 
1977 11 -3.03 -11.25  -7.14 
1977 12 -8.33 -15.49 -11.91 
1978 01  1.10  -5.56  -2.23 
1978 03  3.54  -4.33   -.39 
1978 11  1.22  -5.41  -2.09 
