1971 07 26.93  12.46  19.69 
1971 08 26.25  11.80  19.02 
1971 09 22.77  12.22  17.49 
1971 10 20.01   6.96  13.48 
1971 11  7.16  -1.96   2.60 
1971 12  3.96  -5.00   -.52 
1972 01  1.46  -8.79  -3.66 
1972 02  -.21 -11.28  -5.74 
1972 03  4.80  -6.71   -.95 
1972 04 10.41  -2.36   4.02 
1972 05 21.48   7.15  14.31 
1972 06 22.82  11.48  17.15 
1972 07 27.53  14.09  20.81 
1972 08 25.73  11.27  18.50 
1972 09 22.88   9.45  16.16 
1972 10 13.14    .89   7.01 
1972 11  5.23  -2.09   1.56 
1972 12  2.47  -5.14  -1.33 
1973 01  2.34  -8.04  -2.84 
1973 02  1.22 -10.95  -4.86 
1973 03 11.56   -.13   5.71 
1973 04 13.85   1.95   7.90 
1973 05 17.54   5.69  11.62 
1973 06 25.93  13.21  19.57 
1973 07 28.36  13.57  20.96 
1973 08 27.63  14.56  21.09 
1973 09 22.42   9.00  15.71 
1973 10 18.03   3.75  10.89 
1973 11  8.83   -.14   4.34 
1973 12  3.40  -6.33  -1.46 
1974 01  2.00  -8.25  -3.12 
1974 02  1.01 -12.14  -5.56 
1974 03  5.90  -5.83    . 3 
1974 05 19.10   5.11  12.10 
1974 06 24.43  11.19  17.81 
1974 07 27.27  13.18  20.22 
1974 08 26.24  12.40  19.32 
1974 09 21.09   8.39  14.74 
1974 10 13.83   1.21   7.52 
1974 11  9.31   -.98   4.16 
1974 12  2.16  -5.31  -1.57 
1975 01  2.97  -7.42  -2.22 
1975 02  1.86  -7.19  -2.66 
1975 03  4.55  -6.36   -.90 
1975 04  9.83  -2.20   3.81 
1975 05 23.93   8.42  16.17 
1975 06 24.82  12.54  18.68 
1975 09 19.42   8.02  13.72 
1975 10 17.54   5.56  11.55 
1975 11 12.56   1.42   6.99 
1975 12  2.26  -7.74  -2.73 
1976 01 -2.44 -15.43  -8.93 
1976 02  5.27  -5.96   -.34 
1976 03  9.89  -3.21   3.34 
1976 04 15.12   1.98   8.55 
1976 06 27.31  14.52  20.91 
1976 07 26.57  15.24  20.90 
1976 08 25.23  13.15  19.18 
1976 09 20.49   9.54  15.01 
1976 10 14.18   2.17   8.17 
1976 11  4.41  -3.46    .47 
1976 12  -.79 -99.99 -99.99 
1977 02  -.65 -10.41  -5.53 
1977 04 16.89   3.20  10.04 
1977 05 23.63   7.93  15.78 
1977 06 99.99  10.00 -99.99 
1977 07 99.99  13.47 -99.99 
1977 08 24.50  13.24  18.86 
1977 09 19.99  10.39  15.19 
1977 10 13.65   2.41   8.03 
1977 11  9.18   -.23   4.48 
1977 12   .93  -8.26  -3.66 
1978 01 -2.41 -99.99 -99.99 
1978 02 -3.77 -14.92  -9.34 
1978 03  3.49  -7.79  -2.15 
1978 04 11.88  -2.19   4.84 
1978 05 99.99   5.59 -99.99 
1978 06 23.63   9.72  16.67 
1978 07 26.06  11.97  19.01 
1978 08 26.22  14.29  20.25 
1978 09 20.63   6.94  13.78 
1978 10 15.81 -99.99 -99.99 
1978 11  9.41  -3.09   3.16 
1978 12 99.99  -7.52 -99.99 
1979 01 99.99  -9.35 -99.99 
1979 02 -4.76 -17.48 -11.12 
1979 03 10.00  -4.41   2.79 
1979 04 12.79   -.12   6.33 
1979 05 99.99   6.17 -99.99 
1979 06 24.78   8.93  16.85 
1979 07 27.88  12.45  20.16 
1979 09 99.99   6.71 -99.99 
1979 10 13.87   4.28   9.07 
1979 11 10.80   1.23   6.01 
1979 12  4.48  -5.14   -.32 
1980 01   .15 -10.35  -5.10 
1980 02 99.99 -12.40 -99.99 
1980 03  5.27  -6.20   -.46 
1980 04 14.74    . 7   7.40 
1980 05 21.74   4.89  13.31 
1980 06 23.58   7.34  15.46 
1980 07 28.02  12.84  20.43 
1980 08 27.17  12.37  19.77 
1980 09 23.52   8.41  15.96 
1980 10 13.83   4.37   9.10 
1980 11  5.94 -99.99 -99.99 
1980 12   .92 -10.51  -4.79 
1981 01 -3.50 -16.85 -10.17 
1981 03  6.17  -5.59    .28 
1981 04 15.19   1.68   8.43 
1981 05 21.55   5.63  13.59 
1981 06 24.91  11.84  18.37 
1981 07 26.45  14.74  20.59 
1981 08 25.66  12.45  19.05 
1981 09 19.92  10.09  15.00 
1981 10 15.10   1.97   8.53 
1981 11  9.07  -1.86   3.60 
1981 12  1.70  -6.63  -2.46 
1982 01 99.99 -14.33 -99.99 
1982 02  1.25  -8.60  -3.67 
1982 03  6.52  -7.12   -.29 
1982 04 11.84 -99.99 -99.99 
1982 05 21.97   6.78  14.37 
1982 06 23.61  10.53  17.07 
1982 07 27.43  12.42  19.92 
1982 08 24.41  10.14  17.27 
1982 09 23.34   7.95  15.64 
1982 10 16.54    .98   8.76 
1982 11 10.53   -.73   4.89 
1983 01   .52 -99.99 -99.99 
1983 02  3.86 -10.51  -3.32 
1983 03  7.16  -3.82   1.67 
1983 04 11.89   -.48   5.70 
1983 05 18.68   4.41  11.54 
1983 06 26.59 -99.99 -99.99 
