1970 07 29.07  15.79  22.43 
1970 09 27.61  11.96  19.78 
1970 10 19.28   6.90  13.09 
1970 11 10.67    .50   5.58 
1970 12  6.31  -4.85    .73 
1971 01   .75 -10.20  -4.72 
1971 02  3.02  -7.02  -2.00 
1971 03  6.88  -4.73   1.07 
1971 04 17.54   -.10   8.72 
1971 05 20.84   7.54  14.19 
1971 06 29.52  15.42  22.47 
1971 07 28.23  15.00  21.61 
1971 08 27.33  13.25  20.29 
1971 09 25.41  13.59  19.50 
1971 10 22.33   8.45  15.39 
1971 11 10.92   -.66   5.13 
1971 12  9.04  -1.63   3.70 
1972 01  3.55  -8.18  -2.31 
1972 02  1.95  -9.06  -3.55 
1972 03  8.68  -3.40   2.64 
1972 04 15.43   2.72   9.07 
1972 05 23.10   9.49  16.29 
1972 06 23.71  11.29  17.50 
1972 07 28.45  16.65  22.55 
1972 08 28.63  13.67  21.15 
1972 09 25.18  11.70  18.44 
1972 10 14.94   3.46   9.20 
1972 11  7.60    . 6   3.83 
1972 12  4.75  -2.95    .90 
1973 01  3.62  -6.29  -1.33 
1973 02  3.38  -7.60  -2.10 
1973 03 14.38   1.54   7.96 
1973 04 14.49   3.25   8.87 
1973 05 19.71   8.31  14.01 
1973 06 28.39  15.67  22.03 
1973 07 28.68  16.86  22.77 
1973 08 28.46  16.31  22.38 
1973 09 26.62  12.33  19.47 
1973 10 20.79   7.36  14.07 
1973 11 11.59   1.22   6.40 
1973 12  4.80  -4.08    .36 
1974 01  4.75  -4.25    .25 
1974 02  4.15  -6.19  -1.02 
1974 03 11.48   -.36   5.56 
1974 04 17.28   4.29  10.78 
1974 05 21.77   8.52  15.14 
1974 06 24.56  13.17  18.86 
1974 07 29.84  13.98  21.91 
1974 08 28.21  14.98  21.59 
1974 09 22.31 -99.99 -99.99 
1974 10 99.99   1.71 -99.99 
1974 11 11.22    .87   6.04 
1974 12  3.49  -3.43    . 2 
1975 01  4.48  -4.81   -.16 
1975 02  4.54  -3.74    .39 
1975 03  8.17  -2.99   2.59 
1975 04 13.03    .44   6.73 
1975 05 24.87  10.61  17.74 
1975 06 27.03  15.22  21.12 
1975 07 28.84  14.56  21.70 
1975 08 29.91  16.93  23.42 
1975 09 22.19   9.64  15.91 
1975 10 18.70   5.03  11.87 
1975 11 13.55   2.09   7.82 
1975 12  5.34  -3.73    .80 
1976 01  1.12 -99.99 -99.99 
1976 02  8.49  -4.10   2.19 
1976 03 14.46    .63   7.54 
1976 04 18.57   2.64  10.60 
1976 05 21.48   5.81  13.64 
1976 06 27.42  14.17  20.79 
1976 07 28.15  14.12  21.13 
1976 08 26.55  10.13  18.34 
1976 09 23.59   6.69  15.14 
1976 10 14.69    .74   7.71 
1976 11  7.96  -4.81   1.57 
1976 12  1.83 -10.76  -4.46 
1977 01 -5.69 -18.50 -12.09 
1977 02  2.32 -11.03  -4.35 
1977 03 13.22  -1.40   5.91 
1977 04 19.33   3.74  11.53 
1977 05 26.51   9.24  17.87 
1977 06 26.54  11.78  19.16 
1977 07 30.87  15.99  23.43 
1977 08 27.98  13.56  20.77 
1977 09 26.10  12.66  19.38 
1977 10 16.78   3.37  10.07 
1977 11 11.59   1.16   6.37 
1977 12  3.23  -7.37  -2.07 
1978 01 99.99 -13.73 -99.99 
1978 02 -3.96 -17.93 -10.94 
1978 03  5.68  -4.78    .44 
1978 04 16.70 -99.99 -99.99 
1978 05 20.88   8.54  14.70 
1978 06 27.43  13.26  20.34 
1978 07 28.49  15.18  21.83 
1978 08 27.99  14.15  21.07 
1978 09 27.17  10.93  19.04 
1978 10 16.79    .77   8.78 
1978 11 11.91  -1.55   5.18 
1978 12  5.27  -5.75   -.24 
1979 01 -1.44 -11.05  -6.24 
1979 02 -2.90 -14.23  -8.56 
1979 03 12.33   -.96   5.68 
1979 04 14.29   3.84   9.06 
1979 05 99.99   7.85 -99.99 
1979 06 27.36  13.63  20.49 
1979 07 27.26  15.25  21.25 
1979 08 27.07  14.96  21.01 
1979 09 24.67   9.09  16.88 
1979 12  5.90  -4.04    .93 
1980 01  2.15  -6.38  -2.11 
1980 02  -.42 -10.99  -5.70 
1980 03  6.90  -4.36   1.27 
1980 04 16.48   3.82  10.14 
1980 05 24.23   9.79  17.01 
1980 06 25.69  10.77  18.23 
1980 07 29.88  15.63  22.75 
1980 08 30.19  17.11  23.65 
1980 09 25.54  10.98  18.26 
1980 10 15.76 -99.99 -99.99 
1980 11  9.92  -1.92   4.00 
1980 12  3.24 -99.99 -99.99 
1981 01  -.17 -99.99 -99.99 
1981 02  4.29  -7.39  -1.55 
1981 03  9.43  -2.29   3.57 
1981 04 20.90   5.64  13.27 
1981 05 20.49   7.61  14.05 
1981 06 27.50  14.12  20.81 
1981 07 28.84 -99.99 -99.99 
1981 08 27.42  13.46  20.44 
1981 12  2.29  -5.77  -1.74 
1982 01   .-6 -12.95  -6.50 
1982 02  2.39  -7.61  -2.61 
1982 03  9.35  -2.34   3.50 
1982 04 14.44    .52   7.48 
1982 05 99.99  11.00 -99.99 
1982 06 25.12  12.18  18.65 
1982 07 29.78  15.69  22.73 
1982 08 27.85  12.04  19.94 
1982 09 24.79   9.95  17.37 
1982 10 18.78   4.44  11.61 
1982 11 10.98    .54   5.76 
1982 12  8.66   -.35   4.15 
1983 01  2.20  -5.35  -1.57 
1983 02  5.99  -4.12    .93 
1983 03 12.79    .12   6.45 
1983 04 14.42   3.31   8.86 
1983 05 20.46   8.10  14.28 
1983 06 27.50  14.48  20.99 
1983 07 31.50  17.29  24.40 
1983 08 32.22  16.04  24.13 
1983 09 26.68  10.18  18.43 
1983 10 18.58   6.83  12.70 
1983 11 11.91   1.19   6.55 
1983 12   .26  -7.71  -3.72 
1984 01 -1.02  -9.95  -5.48 
1984 02  8.10  -2.29   2.90 
1984 03  4.88  -5.11   -.11 
1984 04 15.88   4.01   9.94 
1984 05 20.12   8.29  14.20 
1984 06 29.39  15.70  22.54 
1984 07 27.82  14.56  21.19 
1984 08 28.89  14.52  21.70 
1984 09 24.05   8.91  16.48 
1984 10 20.57   9.34  14.95 
1984 11 10.38   -.88   4.75 
1984 12  8.62   -.52   4.05 
1985 01 -1.57 -10.61  -6.08 
1985 02  1.45  -9.28  -3.91 
1985 03 12.14   -.23   5.95 
1985 04 20.31   5.61  12.96 
1985 05 23.28   9.67  16.47 
1985 06 24.66  11.97  18.31 
1985 07 28.43  14.84  21.63 
1985 08 27.76  13.84  20.80 
1985 09 26.67   9.12  17.89 
1985 10 19.00   4.30  11.65 
1985 11 12.94   4.46   8.70 
1985 12  1.15  -7.77  -3.31 
1986 01  2.73  -7.41  -2.33 
1986 02  3.96  -4.12    .-7 
1986 03 11.01  -2.70   4.15 
1986 04 19.81 -99.99 -99.99 
1986 05 23.85 -99.99 -99.99 
1986 06 28.20 -99.99 -99.99 
1986 07 30.00 -99.99 -99.99 
1986 10 18.96 -99.99 -99.99 
1986 12  3.53  -3.22    .15 
1987 01  2.29  -5.31  -1.51 
1987 02  6.03  -4.78    .62 
1987 03 13.31  -1.36   5.97 
1987 04 16.45 -99.99 -99.99 
1987 05 26.13  11.73  18.93 
1987 06 28.03  15.28  21.65 
