1974 11 -3.14  -9.35  -6.25 
1974 12 -5.16  -9.81  -7.48 
1975 01 -7.85 -12.85 -10.35 
1975 02 -6.01 -12.44  -9.22 
1975 03 -3.90  -9.68  -6.79 
1975 04  1.89  -6.70  -2.40 
1975 06 10.04   1.54   5.79 
1975 07 19.43   8.53  13.98 
1975 08 13.10   5.00   9.05 
1975 09 14.22   3.07   8.64 
1975 10  2.94  -3.19   -.12 
1975 11 -4.19 -10.63  -7.41 
1975 12 -4.81  -9.78  -7.29 
1976 01 -4.57  -9.84  -7.20 
1976 02 -4.48  -9.67  -7.07 
1976 03 -3.58 -10.39  -6.98 
1976 04  3.55  -3.87   -.15 
1976 05  8.25  -1.16   3.54 
1976 06  9.87   1.41   5.64 
1976 07 16.84   6.47  11.65 
1976 08 14.39   5.91  10.14 
1976 09 14.66   4.39   9.52 
1976 10  4.69  -1.35   1.67 
1976 11   .12  -6.82  -3.35 
1976 12 -3.52  -9.46  -6.49 
1977 01 -5.72 -12.60  -9.16 
1977 02  -.83  -8.35  -4.59 
1977 03 -2.65  -9.64  -6.14 
1977 04  6.75  -3.82   1.46 
1977 05  5.37  -1.42   1.97 
1977 06 15.20   5.23  10.21 
1977 07 15.89   6.13  11.01 
1977 08 18.20   7.66  12.93 
1977 09  8.74   2.05   5.39 
1977 10  4.76  -2.36   1.19 
1977 11 -4.85  -9.70  -7.27 
1977 12 -6.53 -11.84  -9.18 
1978 01 -5.68 -10.42  -8.05 
1978 02 -3.59  -8.57  -6.08 
1978 03   .97  -5.95  -2.48 
1978 04  3.50  -4.10   -.29 
1978 05  5.87  -1.74   2.06 
1978 06 13.07   3.08   8.07 
1978 07 17.52   6.71  12.11 
1978 09  8.95   2.18   5.56 
1978 10  6.34  -2.02   2.16 
1978 11 -5.05 -10.52  -7.78 
1978 12 10.02 -15.18 -12.60 
1979 01 11.42 -17.27 -14.34 
1979 02 -5.20 -10.10  -7.65 
1979 03  1.03  -7.27  -3.12 
1979 04  3.42  -5.18   -.87 
1979 05  8.84   -.23   4.30 
1979 06 99.99   3.39 -99.99 
1979 07 18.73   7.02  12.87 
1979 08 18.19   7.53  12.86 
1979 09 14.18   4.28   9.23 
1979 10  7.30    .24   3.77 
1979 11 -3.70  -8.70  -6.20 
1979 12 -2.42  -7.48  -4.94 
1980 01 -9.35 -15.18 -12.26 
1980 02 -3.28  -8.34  -5.81 
1980 03 -2.02  -8.77  -5.39 
1980 04  6.63  -2.00   2.31 
1980 05  9.27   1.26   5.26 
1980 06 11.38   3.18   7.28 
1980 07 17.23   6.27  11.75 
1980 08 13.19   4.53   8.85 
1980 09 11.18   3.00   7.09 
1980 10  5.95   -.98   2.48 
1980 11 -2.25  -6.75  -4.50 
1980 12 -2.08  -6.61  -4.34 
1981 01 -2.13  -6.84  -4.48 
1981 02 -3.59  -9.32  -6.45 
1981 03  1.97  -5.90  -1.96 
1981 05  7.69    .31   4.00 
1981 06  8.22    .88   4.55 
1981 07 14.20   5.21   9.70 
1981 08 19.81   8.35  14.08 
1981 11   .20  -4.35  -2.07 
1981 12 -6.44 -11.72  -9.08 
1982 01 -7.48 -12.15  -9.81 
1982 02 -6.18 -11.04  -8.60 
1982 03 -1.60  -8.16  -4.88 
1982 04  2.02  -6.89  -2.43 
1982 05  7.42   -.61   3.40 
1982 07 14.59   4.44   9.52 
1982 08 16.98   5.72  11.35 
1982 09 11.54   2.71   7.12 
1982 10  3.74  -1.89    .92 
1982 11 -4.46  -9.20  -6.83 
1982 12 -6.23 -10.47  -8.35 
1983 01 -2.74  -6.30  -4.52 
1983 02 -2.50  -6.82  -4.66 
1983 03   .40  -4.81  -2.20 
1983 10  5.09  -2.39   1.35 
1983 11 -2.52  -4.87  -3.69 
1983 12 11.11 -16.76 -13.93 
1984 01 -5.13  -9.63  -7.38 
1984 02 -3.29  -8.16  -5.72 
1984 03   .32  -5.27  -2.47 
1984 04  3.16  -4.00   -.41 
1984 07 19.41   7.09  13.25 
1984 08 18.19   6.10  12.14 
1984 09  9.33   -.10   4.61 
1984 11 -3.08  -7.80  -5.44 
1984 12 -8.60 -13.82 -11.21 
1985 01 -6.31 -11.66  -8.98 
1985 02 -7.09 -12.54  -9.81 
1985 03 -1.03  -8.72  -4.87 
1985 04 99.99  -2.80 -99.99 
1985 11 11.03 -15.71 -13.37 
1985 12 -5.56 -11.08  -8.32 
1986 01 -3.18  -7.56  -5.37 
1986 02 -4.29 -10.57  -7.43 
1986 03  2.68  -4.35   -.83 
1986 04  3.04  -4.25   -.60 
1986 11 -3.53  -8.07  -5.80 
1986 12 -5.84 -10.02  -7.93 
1987 01 -6.15 -10.85  -8.50 
1987 02 -2.54  -7.77  -5.15 
1987 03   .68  -5.55  -2.43 
1987 04  5.56  -2.07   1.74 
1987 11  -.50  -4.26  -2.38 
1987 12 -6.45 -10.53  -8.49 
1988 01 -6.97 -11.39  -9.18 
1988 02 -2.41  -8.91  -5.66 
1988 03  -.15  -6.65  -3.40 
1988 04  6.83  -1.83   2.50 
1988 11 -2.97  -6.42  -4.69 
1988 12 -5.42  -9.77  -7.59 
1989 01 -5.82 -10.63  -8.22 
1989 02 -9.46 -15.43 -12.44 
1989 03 -2.31  -8.21  -5.26 
1989 04  5.18  -2.11   1.53 
1989 11 -2.18  -5.97  -4.07 
1989 12 -3.95  -7.97  -5.96 
