1961 10 14.71   6.31  10.51 
1961 11  8.33   2.40   5.36 
1961 12  1.21  -3.96  -1.37 
1962 01 -1.78 -12.26  -7.02 
1962 02 -6.60 -15.46 -11.03 
1962 03  2.31  -5.31  -1.50 
1962 04  7.81  -1.20   3.30 
1962 05 13.54   2.42   7.98 
1962 06 19.54   8.78  14.16 
1962 07 19.04  11.02  15.03 
1962 08 21.74  13.08  17.41 
1962 09 16.54   9.83  13.19 
1962 10 12.11   5.06   8.58 
1962 11  6.95    .79   3.87 
1962 12  1.48  -7.34  -2.93 
1963 01  -.11  -7.66  -3.88 
1963 02 -4.89 -13.29  -9.09 
1963 03  -.15  -8.37  -4.25 
1963 04  3.79  -2.33    .73 
1963 05 15.14   4.28   9.71 
1963 06 18.36   8.52  13.44 
1963 07 23.60  14.30  18.95 
1963 08 21.40  12.01  16.70 
1963 09 16.81   8.14  12.48 
1963 10 14.62   5.42  10.02 
1963 11  8.47   1.50   4.98 
1963 12 -4.31 -10.77  -7.54 
1964 01 -2.65 -10.84  -6.74 
1964 02 -2.83  -9.67  -6.25 
1964 03   .79  -6.33  -2.77 
1964 04  6.19  -2.13   2.03 
1964 05 13.93   3.83   8.88 
1964 06 18.12   7.97  13.04 
1964 07 22.14  14.09  18.11 
1964 08 21.03  11.81  16.42 
1964 09 17.02   8.64  12.83 
1964 10 11.80   4.87   8.33 
1964 11  4.73  -2.33   1.19 
1964 12   . 0  -6.33  -3.16 
1965 01 -4.23 -10.82  -7.53 
1965 02 -3.82 -12.49  -8.15 
1965 03  -.39  -6.35  -3.37 
1965 04  4.84  -2.77   1.03 
1965 05 12.04   2.29   7.16 
1965 06 19.93   9.58  14.75 
1965 07 23.98  12.96  18.46 
1965 08 22.73  13.52  18.12 
1965 09 18.20   8.59  13.39 
1965 10 12.01   4.09   8.05 
1966 02 -2.09  -9.70  -5.89 
1966 05 14.44 -99.99 -99.99 
1966 09 18.24 -99.99 -99.99 
1967 06 21.14 -99.99 -99.99 
1967 08 24.79 -99.99 -99.99 
1967 09 18.92 -99.99 -99.99 
1967 10 13.87 -99.99 -99.99 
1967 11  6.15 -99.99 -99.99 
1968 01 -4.60 -99.99 -99.99 
1968 02 -4.87 -13.26  -9.06 
1968 05 13.21 -99.99 -99.99 
1969 05 12.16   3.26   7.71 
1969 06 21.47  11.39  16.43 
1969 07 22.24  12.60  17.42 
1969 08 23.14  13.93  18.53 
1969 09 18.02   9.54  13.78 
1969 10 10.86   4.27   7.56 
1969 11  7.87   2.58   5.22 
1969 12  2.68  -2.81    .-6 
1970 01 -7.42 -13.60 -10.51 
1970 02 -1.44 -10.59  -6.01 
1970 03   .52  -5.24  -2.35 
1970 04  5.87  -1.76   2.05 
1970 05 14.78 -99.99 -99.99 
1970 06 20.67  10.49  15.58 
1970 07 24.44  14.78  19.61 
1970 08 23.28  15.29  19.28 
1970 09 15.86  10.22  13.04 
1970 10 13.33   7.01  10.17 
1970 11  7.26    .75   4.00 
1970 12 -1.74  -9.21  -5.47 
1971 01 -5.19 -13.83  -9.51 
1971 02 -2.15 -10.20  -6.17 
1971 03  2.30  -4.13   -.91 
1971 04  7.20   -.60   3.30 
1971 05 15.16   5.38  10.27 
1971 06 18.42   8.68  13.55 
1971 07 24.25  13.81  19.03 
1971 08 22.98  14.28  18.62 
1971 09 19.19  10.07  14.63 
1971 10 13.98   5.41   9.69 
1971 11  5.48   -.40   2.54 
1971 12 -2.38  -8.50  -5.44 
1972 01 -3.28 -11.86  -7.57 
1972 03  -.79  -9.67  -5.23 
1972 04  3.78  -3.72    . 2 
1972 05 14.65   2.06   8.35 
1972 06 21.13   8.29  14.70 
1972 07 22.97  12.12  17.54 
1972 08 22.01  12.29  17.15 
1972 09 18.59   9.80  14.19 
1972 10 10.97   3.25   7.11 
1972 11  3.87  -1.89    .98 
1972 12 -2.67 -10.47  -6.57 
1973 01 -3.58 -11.82  -7.70 
1973 02 -3.26 -11.00  -7.13 
1973 03  3.68  -5.88  -1.10 
1973 04  6.77   -.94   2.91 
1973 05 12.25   4.19   8.22 
1973 06 20.72  11.10  15.91 
1973 08 22.32 -99.99 -99.99 
1973 10 11.70   3.74   7.72 
1973 11  5.12  -1.03   2.04 
1973 12  4.37  -4.17    . 9 
1974 01 -3.92 -13.85  -8.88 
1974 02 -3.19 -12.47  -7.83 
1974 03  1.08  -7.76  -3.34 
1974 04  6.71  -1.15   2.78 
1974 05  9.85   1.90   5.87 
1974 06 20.17   8.93  14.55 
1974 07 21.48  12.08  16.77 
1974 09 18.29   9.10  13.70 
1974 10  9.89   1.21   5.55 
1974 11  5.97   -.23   2.87 
1974 12   .95  -4.38  -1.71 
1975 01 -2.93 -11.27  -7.10 
1975 02 -5.14 -14.07  -9.60 
1975 03   .35  -7.59  -3.62 
1975 04  4.14  -3.15    .49 
1975 05 14.04   3.56   8.80 
1975 06 21.06   8.91  14.98 
1975 07 26.24  15.64  20.94 
1975 08 22.73  13.35  18.04 
1975 09 19.45   9.89  14.67 
1975 10 11.52   3.47   7.49 
1975 11  7.57    .40   3.98 
1975 12  -.19  -8.06  -4.12 
1976 01 -2.02 -13.49  -7.75 
1976 02  -.55  -9.85  -5.20 
1976 03  1.90 -10.60  -4.35 
1976 04  8.18  -1.02   3.58 
1976 05 15.49   5.30  10.39 
1976 06 21.63  11.84  16.73 
1976 07 22.53  13.30  17.91 
1976 08 23.19  14.27  18.73 
1976 11  3.52  -2.61    .45 
1977 01 -5.96 -17.52 -11.74 
1977 02 -5.07 -15.19 -10.13 
1977 04   .-5  -7.75  -3.90 
1977 06 11.52   3.64   7.58 
