1977 07 20.26   7.56  13.91 
1977 08 24.00   8.53  16.26 
1977 09 15.38   2.07   8.72 
1977 10 10.98  -1.17   4.89 
1977 11  -.95 -10.25  -5.60 
1978 01 -8.96 -16.04 -12.50 
1978 02   . 7 -11.10  -5.51 
1978 03  5.24  -6.39   -.57 
1978 04 10.85    . 3   5.44 
1978 05 14.72   1.36   8.04 
1978 06 23.19   6.32  14.75 
1978 08 23.61   7.04  15.32 
1978 09 15.25   3.38   9.31 
1978 11 -2.50 -13.11  -7.80 
1978 12 -4.55 -16.20 -10.37 
1979 01 10.95 -23.89 -17.42 
1979 02 -3.76 -16.08  -9.92 
1979 03  7.82  -6.25    .78 
1979 04 10.78  -1.85   4.46 
1979 05 15.60   2.60   9.10 
1979 06 18.75   3.95  11.35 
1979 07 25.50 -99.99 -99.99 
1979 09 21.12 -99.99 -99.99 
1979 11  2.36  -9.09  -3.36 
1979 12  1.10  -9.33  -4.11 
1980 01 -8.30 -19.59 -13.94 
1980 02  -.64 -10.98  -5.81 
1980 03 99.99  -6.35 -99.99 
1980 04 99.99    .23 -99.99 
1980 05 17.58   4.31  10.94 
1980 06 18.87   6.77  12.82 
1980 07 21.24   8.22  14.73 
1980 08 99.99   6.87 -99.99 
1980 09 17.96   4.53  11.25 
1980 10 13.02   -.45   6.28 
1980 11  6.50  -5.58    .46 
1980 12 -2.15 -14.32  -8.23 
1981 01  2.94  -5.77  -1.41 
1981 02  1.45  -8.64  -3.59 
1981 03  9.76  -3.06   3.35 
1981 04 11.10  -3.12   3.99 
1981 05 17.34   2.95  10.14 
1981 06 17.82   3.45  10.63 
1981 07 23.10   8.13  15.61 
1981 08 27.07   8.63  17.85 
1981 09 19.52 -99.99 -99.99 
1981 10 11.31    . 5   5.68 
1981 11  5.67  -2.95   1.36 
1981 12 -4.02 -14.66  -9.34 
1982 01 -8.60 -19.18 -13.89 
1982 02 -2.35 -13.46  -7.91 
1982 03  3.85 -10.18  -3.16 
1982 04  7.39  -4.83   1.28 
1982 05 14.68   1.00   7.84 
1982 06 24.48   7.53  16.00 
1982 07 20.63   8.68  14.65 
1982 08 19.73   7.65  13.69 
1982 09 18.14   4.69  11.42 
1982 10 11.18    .47   5.82 
1982 11 -1.10 -10.92  -6.01 
1983 01  -.32 -10.77  -5.54 
1983 02  3.23  -6.32  -1.54 
1983 03 99.99  -5.16 -99.99 
1983 04 13.05  -2.24   5.40 
1983 05 18.61   2.52  10.56 
1983 06 18.64   6.64  12.64 
1983 07 20.52   7.07  13.79 
1983 08 23.43   6.42  14.92 
1983 09 15.22   1.98   8.60 
1983 10 10.69  -2.42   4.13 
1983 11  3.45  -4.15   -.35 
1983 12 11.48 -22.48 -16.98 
1984 01  -.65 -11.00  -5.82 
1984 02  3.52  -6.03  -1.25 
1984 03  7.52  -5.39   1.06 
1984 04 10.97  -3.36   3.80 
1984 05 13.83    .20   7.01 
1984 06 18.48   4.69  11.58 
1984 07 22.98   6.84  14.91 
