1958 10 11.55   5.57   8.56 
1958 11  5.23   -.31   2.46 
1958 12 -5.99 -12.71  -9.35 
1959 01 -3.83 -10.98  -7.40 
1959 02 -5.08 -14.80  -9.94 
1959 03   .78  -7.06  -3.14 
1959 04  6.89   -.48   3.20 
1959 05 13.08   5.51   9.29 
1959 06 16.95   9.79  13.37 
1959 07 23.12  16.04  19.58 
1959 08 21.11  15.07  18.09 
1959 09 18.33  12.27  15.30 
1959 10 11.62   6.08   8.85 
1959 11  7.33    .94   4.13 
1959 12   .89  -4.55  -1.83 
1960 01 -3.26  -9.43  -6.35 
1960 02   . 5  -5.79  -2.87 
1960 03  -.40  -5.95  -3.17 
1960 04  5.37  -1.86   1.75 
1960 05 14.75   5.90  10.32 
1960 06 19.07  11.62  15.34 
1960 07 21.75  14.99  18.36 
1960 08 22.87  15.33  19.10 
1960 09 18.70  11.24  14.97 
1960 10 11.27   4.96   8.11 
1960 11  6.72   1.24   3.98 
1961 01 -6.97 -99.99 -99.99 
1961 02 -4.94 -14.28  -9.61 
1961 03 -1.80  -9.18  -5.49 
1961 04  3.73  -2.33    .69 
1961 05 11.92   2.17   7.04 
1961 06 18.08   9.70  13.89 
1961 07 20.74  13.57  17.15 
1961 08 21.73  14.74  18.23 
1961 09 19.84  12.93  16.38 
1961 10 13.55   7.62  10.58 
1961 11  7.43   2.85   5.14 
1961 12  1.29  -3.51  -1.11 
1962 01 -2.67 -13.14  -7.90 
1962 02 -6.71 -16.62 -11.67 
1962 03  1.04  -6.47  -2.71 
1962 04  5.27   -.89   2.19 
1962 05 11.20   2.36   6.78 
1962 06 17.45   7.40  12.42 
1962 07 18.11  10.25  14.18 
1962 08 20.54  12.51  16.52 
1962 09 16.66 -99.99 -99.99 
1962 10 11.99   4.91   8.45 
1962 11  6.23    .58   3.40 
1962 12   .61  -7.32  -3.35 
1963 01  -.99  -8.13  -4.56 
1963 02 -4.16 -14.07  -9.11 
1963 03  -.47  -9.57  -5.02 
1963 04  3.69  -2.27    .71 
1963 05 99.99   4.88 -99.99 
1963 06 17.26   9.62  13.44 
1963 07 21.97  15.51  18.74 
1963 08 20.00  13.67  16.83 
1963 09 16.20   9.07  12.64 
1963 10 13.46   6.01   9.73 
1963 11  8.22   2.30   5.26 
1963 12 -4.69 -10.38  -7.54 
1964 01 -3.28 -11.12  -7.20 
1964 02 -3.12 -10.10  -6.61 
1964 03   .-1  -6.07  -3.04 
1964 04  4.84  -1.58   1.63 
1964 05 12.43   4.77   8.60 
1964 06 17.02   9.43  13.23 
1964 07 20.76  13.88  17.32 
1964 08 20.61  13.66  17.13 
1964 09 16.77  10.25  13.51 
1964 10 11.63   5.45   8.54 
1964 11  4.71  -1.03   1.84 
1964 12  -.26  -5.70  -2.98 
1965 01 -4.34 -11.47  -7.90 
1965 02 -3.87 -12.96  -8.41 
1965 03  -.71  -6.64  -3.67 
1965 04  3.98  -1.95   1.01 
1965 05 11.29   3.97   7.63 
1965 06 18.15  10.04  14.09 
1967 10 13.22   6.22   9.72 
1967 11  6.64   1.30   3.96 
1967 12   .24  -5.10  -2.43 
