1957 11  4.00  -2.26    .87 
1957 12  1.87  -4.94  -1.54 
1958 01 -2.79 -10.18  -6.48 
1958 02 -4.98 -13.29  -9.13 
1958 03  3.23  -4.53   -.65 
1958 04 13.46    .47   6.96 
1958 06 20.72   7.17  13.94 
1958 07 25.14  13.34  19.24 
1958 08 24.59  10.68  17.63 
1958 09 18.99   8.79  13.89 
1958 10 12.58   4.19   8.38 
1958 11  5.99   -.89   2.55 
1958 12 -5.76 -12.66  -9.21 
1959 01 -5.92 -12.68  -9.30 
1959 02 -4.19 -12.39  -8.29 
1959 03  2.15  -8.67  -3.26 
1959 04 12.70   1.08   6.89 
1959 05 18.40   9.35  13.87 
1959 06 23.28  12.45  17.86 
1959 07 26.50  15.14  20.82 
1959 08 27.65  18.12  22.89 
1959 09 21.91  12.99  17.45 
1959 10 12.31   6.32   9.31 
1959 11  3.02  -2.07    .47 
1959 12   . 7  -4.44  -2.18 
1960 01 -2.24  -8.62  -5.43 
1960 02 -3.27  -9.12  -6.19 
1960 03 -3.79 -13.32  -8.55 
1960 04 10.60   2.87   6.73 
1960 05 16.04   8.28  12.16 
1960 06 21.91  11.03  16.46 
1960 07 24.91  12.85  18.88 
1960 08 25.65  13.83  19.74 
1960 09 22.85  11.44  17.14 
1960 10 14.25   3.61   8.93 
1960 11  7.18    .97   4.07 
1960 12 -3.75 -10.74  -7.24 
1961 01 -6.33 -13.40  -9.86 
1961 02 -1.22  -8.51  -4.86 
1961 03  2.28  -3.52   -.62 
1961 04  5.59   -.12   2.73 
1961 05 14.06   5.76   9.91 
1961 06 21.70  12.43  17.06 
1961 07 23.95  15.45  19.70 
1961 08 23.52  15.57  19.54 
1961 11  6.22  -1.48   2.36 
1961 12  -.90  -7.33  -4.11 
1962 01 -5.25 -12.33  -8.79 
1962 02 -4.54 -13.44  -8.99 
1962 03  1.32  -6.40  -2.54 
1962 04 12.02   1.01   6.51 
1962 05 21.11   9.00  15.05 
1962 06 22.45  11.24  16.84 
1962 07 24.66  11.85  18.25 
1962 08 25.25  12.16  18.70 
1962 09 18.37   8.39  13.38 
1962 10 13.89   5.43   9.66 
1962 11  5.70  -1.33   2.18 
1962 12 -2.08  -8.92  -5.50 
1963 01 -7.77 -14.18 -10.97 
1963 02 -6.32 -15.25 -10.78 
1963 03  3.33  -5.94  -1.30 
1963 04 12.13    .18   6.15 
1963 05 16.45   4.16  10.30 
1963 06 23.63  10.80  17.21 
1963 07 25.66  13.79  19.72 
1963 08 22.68  11.25  16.96 
1963 09 19.54   6.85  13.19 
1963 10 19.59   5.14  12.36 
1963 11  7.85   1.85   4.85 
1963 12 -4.44 -11.96  -8.20 
1964 01 -1.47  -9.82  -5.64 
1964 02 -2.17 -11.43  -6.80 
1964 03  2.78  -4.73   -.97 
1964 04 10.74   1.25   5.99 
1964 05 19.89   7.80  13.84 
1964 06 23.11  10.62  16.86 
1964 07 26.33  14.95  20.64 
1964 08 21.61  11.05  16.33 
1964 09 19.79   7.78  13.79 
1964 10 12.47   1.05   6.76 
1964 11  7.80   -.93   3.43 
1964 12  -.38  -7.44  -3.91 
1965 01 -4.19 -11.35  -7.77 
1965 02 -2.14 -10.56  -6.35 
1965 03  -.49  -8.43  -4.46 
1965 04  7.53  -1.92   2.80 
1965 05 19.94   7.20  13.57 
1965 06 22.59   8.95  15.77 
1965 07 23.15  10.37  16.76 
1965 08 23.13  12.02  17.57 
1965 09 20.77  10.36  15.56 
1965 10 11.56   2.81   7.18 
1965 11  5.59   -.98   2.30 
1965 12  1.16  -5.25  -2.04 
1966 01 -4.77 -12.81  -8.79 
1966 02 -1.96  -9.84  -5.90 
1966 03  3.75  -3.69    . 2 
1966 04  8.33    .23   4.27 
1966 05 14.53   3.12   8.82 
1966 06 24.02  12.11  18.06 
1966 07 26.95  14.26  20.60 
1966 08 23.73  13.15  18.43 
1966 09 18.32   8.55  13.43 
1966 10 12.49   2.67   7.58 
1966 11  6.37   -.52   2.92 
1966 12 -1.02  -7.29  -4.15 
1967 01  -.18  -8.55  -4.36 
1967 02 -4.34 -13.89  -9.11 
1967 03  1.36  -7.23  -2.93 
1967 04 10.55   1.54   6.04 
1967 05 13.67   3.71   8.69 
1967 06 25.94  13.88  19.91 
