1956 02  2.57  -4.85  -1.14 
1956 03  8.72  -1.76   3.48 
1956 04 14.48   3.09   8.78 
1956 05 21.58  10.46  16.02 
1956 06 28.62  16.61  22.61 
1956 07 27.63  17.65  22.64 
1956 08 28.47  17.24  22.85 
1956 09 24.61  10.86  17.73 
1956 10 22.85   8.78  15.81 
1956 11 10.64    .79   5.71 
1956 12  5.02   -.97   2.02 
1957 01 -1.69 -11.26  -6.47 
1957 02  4.88  -1.98   1.45 
1957 03  8.70   -.74   3.98 
1957 04 15.77   6.51  11.14 
1957 05 21.86  11.16  16.51 
1957 06 27.78  16.71  22.25 
1957 07 30.19  18.73  24.46 
1957 08 28.98  17.20  23.09 
1957 09 23.72  12.33  18.02 
1957 10 15.93   5.55  10.74 
1957 11  9.16    .35   4.75 
1957 12  5.96  -2.49   1.73 
1958 01   .41  -6.77  -3.18 
1958 02 -1.38 -10.31  -5.84 
1958 03  5.60  -1.29   2.15 
1958 04 16.29   5.31  10.80 
1958 05 22.59   9.57  16.08 
1958 06 24.03  13.55  18.79 
1958 07 27.54  18.89  23.21 
1958 08 27.64  16.77  22.20 
1958 09 24.02  12.94  18.48 
1958 10 19.45   6.62  13.03 
1958 11 10.87   1.42   6.14 
1958 12  -.96 -10.74  -5.85 
1959 01 -1.17 -10.53  -5.85 
1959 02  2.66  -6.14  -1.73 
1959 03  8.27  -2.11   3.07 
1959 04 15.39   4.85  10.12 
1959 05 24.31  13.19  18.75 
1959 06 28.24  16.31  22.27 
1959 07 29.35  17.65  23.50 
1959 08 30.69  20.12  25.41 
1959 09 26.35  13.88  20.11 
1959 10 17.09   6.28  11.68 
1959 11  6.32  -2.95   1.68 
1959 12  5.50  -1.47   2.01 
1960 01  1.74  -5.31  -1.78 
1960 02   . 5  -6.33  -3.14 
1960 03   .40  -8.85  -4.22 
1960 04 17.78   6.05  11.91 
1960 05 19.96  10.17  15.07 
1960 06 25.74  14.87  20.30 
1960 07 27.60  16.92  22.26 
1960 08 28.39  18.15  23.27 
1960 09 25.74  15.43  20.58 
1960 10 18.29   6.70  12.49 
1960 11 10.54   1.13   5.83 
1960 12   .22  -7.95  -3.86 
1961 01  -.67  -9.14  -4.91 
1961 02  4.85  -3.92    .46 
1961 03  9.83    .84   5.33 
1961 04 10.82   1.29   6.05 
1961 05 18.57   5.66  12.11 
1961 06 25.64  13.25  19.44 
1961 07 27.46  16.07  21.76 
1961 08 26.69  14.73  20.71 
1961 09 27.10  13.37  20.23 
1961 10 17.74   6.15  11.94 
1961 11  9.35   -.68   4.33 
1961 12   .80  -7.58  -3.39 
1962 01 -2.24  -9.96  -6.10 
1962 02  1.75  -6.96  -2.60 
1962 03  5.97  -2.02   1.97 
1962 04 15.70   2.65   9.17 
1962 05 24.12  12.21  18.16 
1962 06 26.48  13.88  20.18 
1962 07 27.02  15.50  21.26 
1962 08 28.05  15.16  21.60 
1962 09 22.09  10.05  16.07 
1962 10 18.39   6.81  12.60 
1962 11  9.47    . 2   4.75 
1962 12   .41  -9.13  -4.36 
1963 01 -3.98 -13.04  -8.51 
1963 02 -1.66 -12.62  -7.14 
1963 03  9.66    .10   4.88 
1963 04 16.08   4.14  10.10 
1963 05 20.20   8.06  14.13 
1963 06 27.38  13.98  20.68 
1963 07 27.66  15.15  21.40 
1963 08 24.93  12.28  18.60 
1963 09 24.29   9.28  16.78 
1963 10 23.66   7.74  15.70 
1963 11 11.46   1.59   6.52 
1963 12 -4.13 -12.74  -8.43 
1964 01  2.85  -6.15  -1.65 
1964 02   .90  -7.90  -3.50 
1964 03  7.89  -2.74   2.57 
1964 04 15.82   5.19  10.50 
1964 05 24.05  11.45  17.75 
1964 06 27.26  15.32  21.29 
1964 07 27.82  17.04  22.43 
1964 08 26.98  13.90  20.43 
1964 09 24.25  11.23  17.74 
1964 10 16.46   2.04   9.25 
1964 11 12.56    .20   6.38 
1964 12  2.51  -6.24  -1.86 
1965 01  1.40  -9.12  -3.86 
1965 02  1.80  -7.92  -3.06 
1965 03  2.74  -5.39  -1.32 
1965 04 15.22   4.44   9.83 
1965 05 25.27  12.85  19.06 
1965 06 26.00  14.44  20.21 
1965 07 26.33  15.43  20.88 
1965 08 25.26  14.50  19.88 
1965 09 23.23  13.16  18.19 
1965 10 16.65   5.13  10.89 
1965 11 10.24   -.27   4.98 
1965 12  5.63  -1.22   2.20 
1966 01 -2.72 -11.08  -6.90 
1966 02  1.67  -7.81  -3.07 
1966 03  9.46  -1.58   3.94 
1966 04 13.11   3.21   8.16 
1966 05 18.29   6.49  12.39 
1966 06 29.10  15.29  22.19 
1966 07 32.57  19.16  25.86 
1966 08 29.19  16.24  22.71 
1966 09 21.90  10.04  15.96 
1966 10 15.41   3.25   9.33 
1966 11  9.18    .13   4.65 
1966 12  1.43  -4.94  -1.75 
1967 01  1.86  -6.13  -2.13 
1967 02  -.65 -10.92  -5.78 
1967 03  7.61   -.89   3.36 
1967 04 16.06   4.30  10.18 
1967 05 18.01   7.52  12.76 
1967 06 27.42  15.88  21.65 
1967 07 26.80  14.96  20.88 
1967 08 25.33  13.22  19.27 
1967 09 22.98   9.58  16.27 
1967 10 15.73   5.26  10.49 
1967 11  4.96  -2.20   1.38 
1967 12  2.15  -5.37  -1.60 
1968 01 -2.19 -11.34  -6.76 
1968 02  -.40 -10.46  -5.43 
1968 03  9.97  -2.33   3.82 
1968 04 16.62   4.34  10.48 
1968 05 19.06   8.80  13.93 
1968 06 27.88  16.25  22.06 
1968 07 28.12  17.65  22.88 
1968 08 27.49  17.29  22.39 
1968 09 23.72  12.52  18.11 
1968 10 18.20   5.84  12.02 
1968 11  8.43   1.53   4.98 
1968 12  1.59  -5.78  -2.09 
1969 01  -.60  -9.57  -5.08 
1969 02  1.74  -5.11  -1.68 
1969 03  6.05  -4.59    .73 
1969 04 17.08   5.43  11.25 
1969 05 21.62  10.38  16.00 
1969 06 24.87  14.63  19.75 
1969 07 28.30  19.04  23.67 
1969 08 28.28  16.95  22.61 
1969 09 23.28  13.06  18.17 
1969 10 16.77   5.91  11.34 
1969 11  6.69  -1.88   2.40 
1969 12   .48  -5.26  -2.39 
1970 01 -4.92 -13.66  -9.29 
1970 02  1.92  -7.66  -2.87 
1970 03  6.13  -1.99   2.07 
1970 04 16.56   5.79  11.17 
1970 05 23.38  12.13  17.75 
1970 06 26.93  15.61  21.27 
1970 07 28.39  17.77  23.08 
1970 08 27.82  17.07  22.44 
1970 09 25.66  13.64  19.65 
1970 10 18.03   7.43  12.73 
1970 11  9.01   1.11   5.06 
1970 12  4.02  -4.34   -.16 
