1972 08 21.38   9.93  15.66 
1972 09 18.60   6.26  12.43 
1972 10  8.79   -.42   4.18 
1972 11  1.00  -6.35  -2.67 
1972 12 -7.78 -19.02 -13.40 
1973 01 -6.54 -16.29 -11.42 
1973 02 -5.14 -15.48 -10.31 
1973 03  2.00  -8.52  -3.26 
1973 04  6.08  -2.18   1.95 
1973 05 12.86   3.46   8.16 
1973 06 23.42  11.12  17.27 
1973 07 26.72  14.55  20.63 
1973 08 23.30  13.51  18.40 
1973 09 16.95   5.96  11.45 
1973 10 11.17    .84   6.00 
1973 11  1.37  -4.86  -1.74 
1973 12  -.48  -9.71  -5.09 
1974 01 -9.21 -21.15 -15.18 
1974 02 -6.22 -18.09 -12.15 
1974 03  -.96 -11.94  -6.45 
1974 04  4.69  -3.74    .47 
1974 05 10.72    .95   5.83 
1974 06 23.13   9.47  16.30 
1974 07 23.77  12.37  18.07 
1974 08 22.95  10.27  16.61 
1974 09 16.14   4.94  10.54 
1974 10  7.72   -.67   3.52 
1974 11  3.55  -3.25    .14 
1974 12 -2.17 -11.42  -6.79 
1975 01 -7.65 -17.82 -12.73 
1975 02 -6.45 -17.71 -12.08 
1975 03   .13 -11.83  -5.85 
1975 04  5.27  -3.52    .87 
1975 05 16.20   2.51   9.35 
1975 06 22.56  10.06  16.31 
1975 07 25.83  15.11  20.46 
1975 08 99.99  11.47 -99.99 
1975 09 17.76   7.50  12.63 
1975 10 11.89   1.33   6.61 
1975 11  4.89  -3.68    .60 
1975 12 -5.97 -17.19 -11.58 
1976 01 -8.96 -20.20 -14.58 
1976 02 -5.01 -17.71 -11.36 
1976 03 -1.42 -12.71  -7.06 
1976 04  6.00  -2.74   1.63 
1976 05 14.91   3.77   9.34 
1976 06 24.84   9.97  17.41 
1976 07 23.30  12.26  17.77 
1976 08 23.37  11.32  17.34 
1976 09 17.01   5.85  11.43 
1976 10  9.34    .58   4.96 
1976 11   .72  -5.29  -2.28 
1976 12 -7.67 -19.19 -13.43 
1977 02 -4.73 -14.21  -9.47 
1977 03  4.05  -5.68   -.81 
1977 04  6.86  -4.36   1.25 
1977 05 16.70   3.29   9.99 
1977 06 18.70   9.85  14.28 
1977 07 23.41  11.56  17.48 
1977 08 23.59  11.63  17.61 
1977 09 15.94   5.81  10.87 
1977 10 10.73   2.66   6.69 
1977 11  5.72  -3.29   1.21 
1977 12 -3.53 -12.34  -7.93 
1978 01 -7.33 -18.32 -12.82 
1978 02 -4.23 -13.81  -9.02 
1978 03 99.99 -12.45 -99.99 
1978 04  5.41  -2.43   1.48 
1978 05 17.26   3.42  10.34 
1978 06 21.58  10.17  15.87 
1978 07 23.98  12.34  18.16 
1978 08 23.70   9.08  16.39 
1978 09 15.67   3.67   9.67 
1978 10  9.18    .68   4.93 
1978 11  4.02  -5.53   -.75 
1978 12 -4.59 -13.60  -9.09 
1979 01 -5.66 -14.97 -10.31 
1979 02 99.99 -15.41 -99.99 
1979 03  2.85  -5.89  -1.52 
1979 04  7.52  -1.02   3.25 
1979 05 14.97   5.90  10.43 
1979 06 23.38   9.60  16.49 
1979 07 25.69  13.11  19.40 
1979 08 21.37  11.82  16.59 
1979 09 18.18   5.73  11.95 
1979 10 10.87   2.24   6.55 
1979 11  4.63  -1.04   1.79 
1979 12 -3.29 -10.58  -6.93 
1980 01 -5.86 -15.34 -10.60 
1980 02 -4.81 -16.98 -10.89 
1980 03   .68  -9.47  -4.39 
1980 04  7.73  -1.27   3.23 
1980 05 15.15   3.22   9.18 
1980 06 20.83   8.70  14.76 
1980 07 22.69  12.58  17.63 
1980 08 24.23  12.92  18.57 
1980 09 15.13   6.38  10.75 
1980 10  8.79   1.45   5.12 
1980 11  2.62 -99.99 -99.99 
1980 12 -7.58 -16.51 -12.04 
1981 01 -8.64 -19.29 -13.97 
1981 02  1.62  -9.10  -3.74 
1981 03  3.84  -4.89   -.52 
1981 04  7.35  -1.45   2.94 
1981 05 15.47   4.15   9.81 
1981 06 21.05   9.77  15.41 
1981 07 25.11  12.69  18.90 
1981 08 23.45  11.84  17.64 
1981 09 17.17   8.20  12.68 
1981 10 10.45   1.80   6.12 
1981 11  3.30  -1.32    .98 
1981 12  -.55  -6.23  -3.39 
1982 01 -9.68 -19.27 -14.47 
1982 02 -6.48 -17.20 -11.84 
1982 03   .34 -10.29  -4.97 
1982 04  5.47  -3.45   1.00 
1982 05 16.35   3.02   9.68 
1982 06 19.12   8.64  13.88 
1982 07 24.06  13.00  18.52 
1982 08 19.82   9.52  14.67 
1982 09 17.23   7.92  12.57 
1982 10 12.58   1.58   7.08 
1982 11  3.75  -3.28    .23 
1982 12 -2.64 -11.45  -7.04 
1983 01 -5.13 -14.48  -9.80 
1983 02 -3.73 -14.32  -9.02 
1983 03   .60  -6.69  -3.04 
1983 04  6.70   -.25   3.22 
1983 05 12.80   4.38   8.59 
1983 06 23.37   9.38  16.37 
1983 07 23.65  12.55  18.10 
1983 08 22.95  12.36  17.65 
1983 09 19.17   8.57  13.87 
1983 10 11.56   2.34   6.95 
1983 11  3.73  -2.28    .72 
1983 12 -4.60 -13.95  -9.27 
1984 01 -9.74 -20.10 -14.92 
1984 02 -1.22 -10.81  -6.01 
1984 03 -1.90 -10.27  -6.08 
1984 04  7.93  -1.54   3.19 
1984 05 14.34   3.44   8.89 
1984 06 20.43   9.25  14.84 
1984 07 25.12  14.20  19.66 
1984 08 25.27  14.32  19.79 
1984 09 17.02   6.52  11.77 
1984 10 12.05   1.79   6.92 
1984 11  4.02  -2.17    .92 
1984 12 99.99 -12.05 -99.99 
1985 01 -8.60 -17.04 -12.83 
1985 12 -6.23 -15.34 -10.78 
1986 01 -6.50 -15.42 -10.96 
1986 02 -4.82 -14.21  -9.51 
1986 03   .37 -10.18  -4.91 
1986 04  7.21 -99.99 -99.99 
1986 05 16.92 -99.99 -99.99 
1986 06 19.10 -99.99 -99.99 
1986 07 22.45  12.54  17.49 
1986 08 21.11  12.79  16.95 
1986 09 15.03   5.04  10.03 
1986 10  9.17   1.12   5.14 
