1966 10 22.99   5.85  14.42 
1966 11 18.42   4.05  11.23 
1966 12 10.43  -2.01   4.21 
1967 01 12.01  -2.75   4.63 
1967 02 11.71  -3.24   4.23 
1967 03 21.39   4.44  12.91 
1967 04 24.04  11.11  17.57 
1967 07 30.05  17.23  23.64 
1967 08 30.93  15.11  23.02 
1967 09 26.43  12.57  19.50 
1967 10 23.13 -99.99 -99.99 
1967 11 15.90   1.41   8.65 
1967 12 10.34  -1.27   4.53 
1968 01  7.94  -2.50   2.72 
1968 02 10.21  -4.34   2.93 
1968 03 17.33   1.66   9.49 
1968 04 22.66   7.09  14.87 
1968 05 25.37  10.49  17.93 
1968 06 30.95  16.68  23.81 
1968 07 32.22  18.19  25.20 
1968 08 33.37  18.87  26.12 
1968 09 29.06  11.98  20.52 
1968 10 22.96   7.16  15.06 
1968 11 14.44   3.31   8.87 
1968 12  9.72  -1.48   4.12 
1969 01 10.10   -.99   4.56 
1969 02 11.15   -.65   5.25 
1969 03 14.68    .10   7.39 
1969 04 23.94   9.28  16.61 
1969 05 27.92  13.46  20.69 
1969 06 30.49  16.45  23.47 
1969 07 34.79  20.86  27.82 
1969 08 34.21  17.73  25.97 
1969 09 29.79  15.87  22.83 
1969 10 23.09   8.80  15.94 
1969 11 16.44   1.16   8.80 
1969 12 10.40   -.74   4.83 
1970 01  7.60  -5.63    .98 
1970 02 13.06  -1.20   5.93 
1970 03 14.98   1.69   8.33 
1970 04 24.35   9.67  17.01 
1970 05 28.67  12.90  20.78 
1970 08 32.49  19.37  25.93 
1970 09 30.61  17.87  24.24 
1970 11 15.45    .65   8.05 
1970 12 13.20    .49   6.84 
1971 01 10.22  -2.92   3.65 
1971 02 11.88   -.75   5.56 
1971 03 16.12 -99.99 -99.99 
1971 04 23.87   6.73  15.30 
1971 07 33.68  18.95  26.32 
1971 09 30.82  17.12  23.97 
1971 10 26.49  12.05  19.27 
1972 01 11.32  -1.79   4.76 
1972 02 14.34   -.74   6.80 
1972 03 19.68   3.66  11.67 
1972 04 23.73   9.32  16.52 
1972 09 31.28  18.54  24.91 
1972 10 20.80  10.46  15.62 
1973 01  8.27  -2.06   3.10 
1973 04 19.74   7.76  13.75 
1973 07 33.57  19.54  26.55 
1973 09 28.29  17.96  23.13 
1973 10 26.51  12.23  19.36 
1973 12 10.93  -1.79   4.57 
1974 01 10.38  -1.39   4.49 
1974 02 15.33   -.47   7.43 
1974 04 24.00   8.24  16.11 
1974 07 35.32  19.53  27.42 
1974 08 31.80  18.08  24.93 
1974 09 24.73  13.50  19.11 
1974 10 25.02   8.54  16.78 
1975 01 11.69  -1.23   5.22 
1975 02 12.03   -.67   5.68 
1975 03 15.72   1.69   8.70 
1975 04 22.95   7.92  15.43 
1975 05 28.14  13.92  21.03 
1975 06 30.79  17.43  24.11 
1975 07 32.78  19.18  25.98 
1975 08 32.09  18.98  25.53 
1975 09 27.14  13.54  20.34 
1975 10 25.41 -99.99 -99.99 
1975 11 18.57   4.61  11.59 
1975 12 10.88   -.27   5.30 
1976 01 10.39  -4.55   2.92 
1976 02 18.54   2.68  10.61 
1976 03 20.45   6.07  13.26 
1976 04 23.89   8.46  16.17 
1976 05 24.91  10.79  17.85 
1976 07 33.08  18.17  25.62 
1976 08 33.31  16.74  25.02 
1976 09 27.98  13.80  20.89 
1976 10 99.99   6.10 -99.99 
1976 11 13.22  -1.12   6.05 
1976 12 11.49  -3.19   4.14 
1977 01  3.74  -9.13  -2.69 
1977 02 14.20  -2.03   6.08 
1977 03 19.04   4.05  11.54 
1977 04 25.31  10.27  17.79 
1977 05 29.22  14.72  21.97 
1977 07 33.77  20.68  27.22 
1977 08 32.91  20.10  26.50 
1977 09 30.00  17.46  23.73 
1977 10 23.34   7.86  15.60 
1977 11 16.26   5.97  11.11 
1977 12 10.63  -2.72   3.95 
1978 01  4.06  -6.36  -1.15 
1978 02  5.22  -5.00    .10 
1978 03 15.78   1.56   8.67 
1978 04 24.63   8.78  16.70 
1978 05 26.44  12.74  19.59 
1978 06 31.10  16.98  24.04 
1978 07 36.00  20.48  28.24 
1978 08 34.86  18.42  26.64 
1978 09 30.19  17.11  23.65 
1978 10 24.83   6.52  15.67 
1978 11 18.20   5.50  11.85 
1979 05 25.97  11.55  18.76 
1979 07 32.93  17.69  25.31 
1979 08 32.96  17.45  25.20 
1979 10 27.01 -99.99 -99.99 
1979 12 13.53  -1.49   6.02 
1980 01 10.22  -2.13   4.04 
1980 02 10.80  -3.38   3.71 
1980 04 23.47   5.51  14.49 
1980 05 28.26 -99.99 -99.99 
1980 06 33.20  17.27  25.23 
1980 07 40.00  19.09  29.55 
1980 08 39.15  19.09  29.12 
1980 09 33.04  16.41  24.72 
1980 10 23.27   5.28  14.27 
1980 11 17.20    .39   8.79 
1980 12 12.63  -3.35   4.64 
1981 01 10.28  -5.14   2.57 
1981 02 13.61  -2.95   5.33 
1981 04 27.88 -99.99 -99.99 
1981 05 26.65  10.25  18.45 
1981 07 34.18  20.15  27.16 
1981 08 32.00  17.44  24.72 
1981 10 22.49 -99.99 -99.99 
1981 11 18.82   3.65  11.23 
1982 01  8.31  -7.68    .31 
1982 02 11.47  -2.54   4.46 
1982 03 20.53 -99.99 -99.99 
1982 04 99.99   4.96 -99.99 
1982 07 33.52  18.81  26.16 
1982 08 33.63  19.17  26.40 
1982 09 30.48  13.45  21.96 
1982 12 13.52   2.14   7.83 
1983 01  9.05  -3.45   2.80 
1983 02 13.52   -.48   6.52 
1983 03 16.60    .51   8.55 
1983 04 18.95   3.22  11.08 
1983 05 26.01   9.27  17.64 
1983 06 30.67  13.72  22.19 
1983 07 33.71  19.74  26.72 
1983 08 36.06  18.98  27.52 
1983 09 31.65  13.24  22.44 
1983 10 26.70   9.16  17.93 
1983 11 17.32   3.22  10.27 
1983 12  4.37  -7.23  -1.43 
1984 01  7.98  -6.56    .71 
1984 02 17.00  -2.20   7.40 
1984 03 16.04    .75   8.39 
1984 05 26.61   8.49  17.54 
1984 06 32.53  16.19  24.36 
1984 07 35.82  16.90  26.36 
1984 08 33.53  17.86  25.69 
1984 09 29.13  14.55  21.84 
1984 10 23.76  11.81  17.78 
1984 11 18.29   2.05  10.17 
1984 12 16.62    .65   8.63 
1985 01  6.63  -7.33   -.34 
1985 02  9.27  -5.08   2.09 
1985 04 25.84   8.30  17.07 
1985 05 27.78   8.89  18.34 
1985 06 32.18  12.18  22.18 
1985 08 34.53  18.94  26.73 
1985 09 30.49  13.57  22.03 
1985 10 25.48   7.83  16.65 
1985 11 19.95   3.59  11.77 
1986 01 13.24  -2.91   5.16 
1986 02 13.64  -1.13   6.25 
1986 03 22.01   4.73  13.37 
1986 04 24.88   9.02  16.95 
1986 05 27.96  13.97  20.96 
1986 06 31.70  17.43  24.56 
1986 07 36.74  20.55  28.64 
1986 08 31.86  17.39  24.62 
1986 09 30.39  16.01  23.20 
1986 10 22.92   9.63  16.27 
1986 11 13.48    .-9   6.69 
1987 01 99.99  -3.51 -99.99 
1987 02 15.95   1.74   8.84 
1987 03 19.94   2.66  11.30 
1987 04 24.47   3.85  14.16 
1987 05 28.32  14.10  21.21 
1987 06 32.25  16.50  24.37 
1987 07 34.08  18.11  26.09 
1987 08 35.80  18.67  27.23 
1987 10 22.14   4.75  13.44 
1987 11 18.00   1.41   9.70 
1988 01  7.88  -5.03   1.42 
1988 02 13.82  -3.19   5.31 
