1972 07 28.48  16.87  22.67 
1972 08 26.99  14.66  20.82 
1972 09 24.34  12.44  18.39 
1972 10 15.44   4.02   9.72 
1972 11  6.97    .65   3.81 
1972 12  2.60  -4.48   -.94 
1973 01  2.88  -5.81  -1.46 
1973 02  1.33  -7.64  -3.15 
1973 03 11.24   1.45   6.34 
1973 04 14.95   4.64   9.79 
1973 05 19.34   8.18  13.76 
1973 06 28.44  16.29  22.36 
1973 07 28.49  17.40  22.94 
1973 08 28.77  16.37  22.57 
1973 09 25.92  12.18  19.04 
1973 10 19.32   8.97  14.15 
1973 11 11.02   2.44   6.73 
1973 12  2.49  -3.71   -.61 
1974 01  1.65  -6.16  -2.25 
1974 02   .79  -8.10  -3.66 
1974 03  7.50  -1.16   3.17 
1974 04 17.02   4.92  10.97 
1974 05 19.19   9.17  14.18 
1974 06 25.83  14.18  20.00 
1974 07 29.80  16.70  23.25 
1974 08 27.62  15.89  21.75 
1974 09 23.11   9.87  16.49 
1974 10 17.79   3.64  10.71 
1974 11  9.58    .76   5.17 
1974 12  1.55  -4.79  -1.62 
1975 01  3.09  -5.25  -1.08 
1975 02  1.66  -5.83  -2.08 
1975 03  6.25  -3.72   1.26 
1975 04 10.31    .86   5.58 
1975 05 23.82  12.01  17.91 
1975 06 26.00  15.05  20.52 
1975 07 28.70  14.78  21.74 
1975 08 28.06  16.42  22.24 
1975 09 20.59   8.53  14.56 
1975 10 19.03   4.56  11.79 
1975 11 13.50   1.52   7.51 
1975 12  3.43  -6.49  -1.52 
1976 01 -1.63 -11.05  -6.34 
1976 02  7.57  -5.89    .84 
1976 03 12.63  -2.18   5.22 
1976 04 16.66   2.62   9.63 
1976 05 20.15   8.43  14.29 
1976 06 27.66  16.11  21.88 
1976 07 29.62  16.62  23.12 
1976 08 27.01  13.65  20.33 
1976 09 24.33  10.24  17.28 
1976 10 14.79   3.74   9.26 
1976 11  6.27  -4.41    .93 
1976 12   .63 -10.01  -4.69 
1977 01 -6.24 -15.83 -11.03 
1977 02  1.95  -7.66  -2.85 
1977 03 11.97    .93   6.45 
1977 04 19.42   5.68  12.55 
1977 05 26.36  11.37  18.86 
1977 06 24.78  13.25  19.01 
1977 07 30.76  17.98  24.37 
1977 08 27.85  15.68  21.76 
1977 09 24.46  13.03  18.74 
1977 10 17.27   4.71  10.99 
1977 11 11.65   1.45   6.55 
1977 12  1.50  -7.71  -3.10 
1978 01 -2.67 -99.99 -99.99 
1978 02 -3.90 -99.99 -99.99 
1978 03  4.64 -99.99 -99.99 
1978 06 28.85  13.93  21.39 
1979 06 28.57 -99.99 -99.99 
1979 07 26.98 -99.99 -99.99 
1979 08 26.69  15.09  20.89 
1979 09 24.52  11.31  17.91 
1979 10 16.67   5.33  11.00 
1979 11 10.02   -.43   4.79 
1979 12  5.03  -4.38    .32 
1980 01   .46  -7.91  -3.72 
1980 02 -1.61  -9.99  -5.80 
1980 03  4.80  -4.32    .24 
1980 04 14.79   2.86   8.82 
1980 05 22.78   9.30  16.04 
1980 06 26.43  11.49  18.95 
1980 07 30.18  16.76  23.47 
1980 08 28.89  15.81  22.35 
1980 09 25.46  10.00  17.73 
1980 10 15.83   1.17   8.50 
1980 11  8.50  -2.88   2.81 
1980 12  3.09 -99.99 -99.99 
1981 01 -2.40 -11.72  -7.06 
1981 02  4.02  -5.32   -.65 
1981 03  8.47  -2.81   2.83 
1981 04 17.48 -99.99 -99.99 
1981 05 20.90   7.50  14.20 
1981 06 27.78 -99.99 -99.99 
1981 07 27.74  17.04  22.39 
1981 08 26.59  15.31  20.95 
1981 09 22.12  12.61  17.36 
1981 10 15.96   4.94  10.45 
1981 11  9.89    .87   5.38 
1981 12  1.94  -5.00  -1.53 
1982 01 -3.12 -12.90  -8.01 
1982 02  -.26 -10.78  -5.52 
1982 03  6.84  -4.96    .94 
1982 04 12.94   1.71   7.32 
1982 05 24.71  13.23  18.96 
1982 06 25.00  13.96  19.48 
1982 07 29.94  18.11  24.02 
1982 08 27.06  14.66  20.86 
1982 09 23.86  11.52  17.69 
1982 10 19.34   7.43  13.38 
1982 11 10.93   3.19   7.06 
1982 12  7.60   -.24   3.68 
1983 01  2.05  -4.96  -1.45 
1983 02  4.35  -3.87    .24 
1983 03  9.67    . 5   4.86 
1983 04 12.40   3.27   7.83 
1983 05 20.32   7.96  14.14 
1983 06 27.26  14.31  20.78 
1983 07 30.37  17.71  24.04 
1983 08 28.52  18.12  23.32 
1983 09 25.60  13.53  19.56 
1983 10 99.99   8.24 -99.99 
1983 11 99.99   1.79 -99.99 
1983 12 -2.79  -8.77  -5.78 
1984 01 -3.13 -10.75  -6.94 
1984 02  5.68  -2.90   1.38 
1984 03  2.22  -5.15  -1.46 
1984 04 13.52   3.99   8.75 
1984 05 19.90   8.32  14.11 
1984 06 29.44  16.92  23.18 
1984 07 28.77  16.49  22.63 
1984 08 99.99  16.81 -99.99 
1984 09 23.28  11.55  17.41 
1984 10 18.37   9.60  13.98 
1984 11 10.33   -.18   5.07 
1984 12  5.48  -2.93   1.27 
1985 01 -2.23  -8.95  -5.59 
1985 02 99.99 -10.26 -99.99 
1985 03 10.14    .26   5.20 
1985 05 99.99  10.43 -99.99 
1985 08 25.04  13.51  19.27 
1985 09 24.29  12.66  18.47 
1985 10 17.35   8.78  13.06 
1985 11 10.07   4.23   7.14 
1985 12  -.27  -7.97  -4.12 
1986 01   .52  -7.73  -3.60 
1986 02  -.40  -6.49  -3.44 
1986 03 10.66   -.62   5.02 
1986 04 14.47   4.06   9.26 
1986 05 20.72  12.11  16.41 
1986 06 26.54  16.08  21.31 
1986 07 99.99  19.89 -99.99 
1986 08 99.99  16.83 -99.99 
1986 09 23.75  13.13  18.44 
1986 10 16.87   8.12  12.49 
1986 11  7.83    .87   4.35 
1986 12  2.50  -1.55    .47 
1987 01  1.03  -4.37  -1.67 
1987 06 28.01  17.37  22.69 
1987 07 30.32  19.70  25.01 
1987 08 27.80  17.78  22.79 
1987 09 24.48  14.10  19.29 
1987 10 15.46   4.48   9.97 
1987 11 12.71   3.79   8.25 
1987 12  4.25   -.56   1.84 
1988 01  1.44  -7.16  -2.86 
1988 02  1.16  -7.42  -3.13 
1988 03  9.32 -99.99 -99.99 
1988 04 14.60   4.13   9.36 
1988 05 20.89   8.89  14.89 
1988 06 27.54  14.78  21.16 
1988 08 30.45  18.87  24.66 
1988 09 23.95  12.51  18.23 
1988 10 13.69   4.05   8.87 
1988 11 10.00   2.24   6.12 
1989 01  5.39  -2.67   1.35 
1989 02   .92  -5.85  -2.46 
1989 03 99.99  -1.57 -99.99 
1989 04 13.31   3.44   8.37 
