1975 01 -1.35  -5.46  -3.40 
1975 02 -2.05  -7.28  -4.66 
1975 03  4.38  -2.63    .87 
1975 04  9.70   -.38   4.66 
1975 05 14.50   2.96   8.72 
1975 06 15.80   6.27  11.03 
1975 07 20.29  10.22  15.26 
1975 08 17.81   8.92  13.36 
1975 09 17.03   7.62  12.32 
1975 10 10.52   4.65   7.58 
1975 11  2.39  -1.66    .36 
1975 12   .89  -3.81  -1.46 
1976 01  -.22  -4.64  -2.42 
1976 02  1.38  -4.01  -1.31 
1976 03  3.28  -2.85    .21 
1976 04  9.97   -.64   4.66 
1976 05 12.15   3.38   7.76 
1976 06 16.37   6.54  11.45 
1976 07 18.21   9.34  13.78 
1976 08 18.99  10.52  14.75 
1976 10  8.70   2.96   5.83 
1976 11  4.91    .43   2.66 
1976 12  2.26  -1.61    .32 
1977 01  -.75  -5.81  -3.28 
1977 02  5.30    .66   2.98 
1977 03  5.18    .-7   2.55 
1977 04 11.18   2.39   6.78 
1977 05 16.94   4.21  10.57 
1977 06 17.77   8.50  13.13 
1977 07 19.96  11.03  15.50 
1977 08 24.74  12.06  18.40 
1977 09 16.21   7.58  11.90 
1977 10  9.14   4.29   6.72 
1977 11  1.88  -1.95    .-3 
1977 12 -4.23  -8.97  -6.60 
1978 01  -.69  -6.12  -3.40 
1978 02  4.14  -2.52    .80 
1978 03  5.52  -1.39   2.06 
1978 04 11.42   2.15   6.78 
1978 05 14.92   4.08   9.50 
1978 06 20.73   8.82  14.77 
1978 07 23.60  11.42  17.51 
1978 08 20.36  11.61  15.98 
1978 09 14.60   7.60  11.10 
1978 10  9.95   5.81   7.88 
1978 11  2.33  -2.22    . 5 
1978 12   .-5  -4.23  -2.14 
1979 01 -2.61  -8.58  -5.59 
1979 02  -.89  -6.54  -3.71 
1979 03  7.18   -.98   3.10 
1979 04 12.34    .-9   6.12 
1979 05 13.29   4.73   9.01 
1979 06 16.77   7.43  12.10 
1979 07 21.45  10.18  15.82 
1979 08 24.55  10.71  17.62 
1979 09 16.95   9.45  13.20 
1979 10 11.65   5.95   8.79 
1979 11  5.36  -1.38   1.99 
1979 12  2.06  -3.44   -.69 
1980 01 -2.16 -10.33  -6.24 
1980 02  4.52  -1.48   1.52 
1980 03  6.08  -1.12   2.48 
1980 04 11.89   2.57   7.23 
1980 06 22.20   9.30  15.75 
1980 07 18.92  11.76  15.34 
1980 08 19.45   9.81  14.63 
1980 09 15.85   7.71  11.78 
1980 10 11.16   6.16   8.66 
1980 11  6.10   2.85   4.47 
1980 12  -.19  -5.10  -2.64 
1981 01  5.52    .77   3.14 
1981 02  3.79  -2.35    .71 
1981 03  9.82    .29   5.05 
1981 04  8.67   2.00   5.33 
1981 05 17.08   6.40  11.74 
1981 06 16.45   7.85  12.15 
1981 07 22.40  11.47  16.93 
1981 08 23.47  11.03  17.25 
1981 09 16.00   8.33  12.16 
1981 10 10.87   4.06   7.46 
1981 11  6.10   2.00   4.05 
1981 12  1.29  -2.86   -.78 
1982 01 -5.18 -11.13  -8.15 
1982 02   .62  -3.94  -1.66 
1982 03  6.42  -3.37   1.52 
1982 04  8.12   -.65   3.73 
1982 05 13.66   2.02   7.84 
1982 07 21.42  11.19  16.30 
1982 08 20.33 -99.99 -99.99 
1982 09 17.20   9.60  13.40 
1982 10  9.17   4.02   6.59 
1982 11  2.15 -99.99 -99.99 
1982 12  1.17  -3.14   -.98 
1983 01  2.81  -1.04    .88 
1983 02  5.27    .86   3.06 
1983 03  9.38   -.95   4.21 
1983 06 19.12 -99.99 -99.99 
1983 08 19.19 -99.99 -99.99 
1983 12 -2.68  -8.88  -5.78 
1984 01  1.82  -1.87    .-2 
1984 02  4.34    . 3   2.18 
1984 03  8.60   2.00   5.30 
1984 11  2.30  -1.67    .31 
1984 12 -2.07  -6.25  -4.16 
1985 01  2.47  -1.94    .26 
1985 02  1.00  -3.48  -1.24 
1985 03  5.71   -.81   2.45 
1985 11 -2.97  -8.32  -5.64 
1985 12   .15  -4.03  -1.94 
1986 01  3.21   -.40   1.40 
1986 02   .39 -99.99 -99.99 
1986 03  8.29 -99.99 -99.99 
1986 11  4.02  -1.69   1.16 
1986 12  2.07  -1.55    .26 
1987 01  2.02  -1.48    .26 
1987 02  4.94    .23   2.59 
1987 03  8.05   -.39   3.83 
1987 11  5.88   1.48   3.68 
1987 12  2.40  -1.17    .61 
1988 01  -.34  -4.84  -2.59 
1988 02  2.09  -3.59   -.74 
1988 03  6.65   -.21   3.22 
