1967 11 -6.63 -14.99 -10.81 
1968 01 17.25 -99.99 -99.99 
1968 02 -5.27 -15.28 -10.27 
1968 03 -2.35 -13.23  -7.79 
1968 04   .10 -10.22  -5.06 
1968 05  9.24 -99.99 -99.99 
1968 06 14.65   3.15   8.89 
1968 07 16.85   5.85  11.35 
1968 08 14.55 -99.99 -99.99 
1968 09  6.96   -.58   3.18 
1968 10   . 0  -7.80  -3.90 
1968 11 -6.76 -15.62 -11.19 
1968 12 17.83 -99.99 -99.99 
1969 01 25.29 -33.41 -29.35 
1969 02 -9.85 -20.90 -15.37 
1969 03 -4.05 -13.96  -9.00 
1969 04 99.99  -5.50 -99.99 
1969 05  8.71  -1.05   3.82 
1969 06 20.04   5.26  12.65 
1969 07 14.12   4.82   9.47 
1969 08  9.64   -.13   4.75 
1969 09  8.07  -1.26   3.40 
1969 10  5.55  -4.80    .37 
1969 11 -8.33 -99.99 -99.99 
1969 12 -5.78 -14.55 -10.16 
1970 01 14.55 -23.66 -19.10 
1970 02 -2.33 -13.73  -8.03 
1970 03  -.89 -11.33  -6.11 
1970 04  2.77  -7.50  -2.36 
1970 05 10.10  -1.04   4.52 
1970 06 15.00   3.11   9.05 
1970 07 16.51   3.92  10.21 
1970 08 13.96   2.47   8.21 
1970 09  8.43  -1.67   3.38 
1970 10   .49  -9.60  -4.55 
1970 11 -7.76 -18.15 -12.95 
1970 12 12.00 -24.30 -18.15 
1971 01 23.31 -34.13 -28.72 
1971 02 -5.39 -17.61 -11.50 
1971 03 -6.25 -18.54 -12.40 
1971 04  2.04  -7.20  -2.58 
1971 05  8.09  -3.15   2.47 
1971 06 17.07   3.37  10.21 
1971 07 19.45   4.10  11.77 
1971 08 15.59   3.60   9.59 
1971 09  8.32  -1.58   3.37 
1971 10 -1.15 -10.13  -5.64 
1971 11 -9.31 -18.79 -14.05 
1971 12 17.67 -28.11 -22.89 
1972 01 21.87 -31.70 -26.78 
1972 02 17.36 -29.19 -23.27 
1972 03 -6.81 -19.96 -13.39 
1972 04 -1.35 -13.23  -7.29 
1972 05 10.03  -2.43   3.79 
1972 06 16.15   2.49   9.32 
1972 07 17.37   4.63  11.00 
1972 08 15.45   4.19   9.82 
1972 09  6.32  -3.16   1.58 
1972 10   .68  -9.79  -4.55 
1972 11 -7.22 -17.37 -12.29 
1972 12 15.26 -24.68 -19.97 
1973 01 17.09 -27.79 -22.44 
1973 02 99.99 -23.53 -99.99 
1973 03 -3.29 -15.46  -9.37 
1973 04  3.86  -7.67  -1.90 
1973 05  9.49  -1.33   4.08 
1973 06 14.14   2.62   8.38 
1973 08 12.25   2.28   7.26 
1973 09 10.33  -2.60   3.86 
1973 10  1.33 -10.53  -4.60 
1973 11 14.79 -25.39 -20.09 
1973 12 10.09 -20.20 -15.15 
1974 01 18.95 -29.45 -24.20 
1974 02 -8.31 -20.37 -14.34 
1974 03 -7.82 -20.88 -14.35 
1974 04  1.91  -7.76  -2.92 
1974 07 16.71   4.53  10.62 
1974 08 14.76   3.35   9.05 
1974 09 11.10  -1.01   5.04 
1974 10  1.92  -5.55  -1.81 
1974 11 -3.63 -12.50  -8.06 
1974 12 -6.72 -14.97 -10.84 
1975 01 16.62 -24.52 -20.57 
1975 02 10.66 -21.94 -16.29 
1975 03 -4.55 -15.94 -10.24 
1975 04  1.03  -7.87  -3.42 
1975 05 10.13   -.20   4.96 
1975 06 15.22   3.50   9.36 
1975 07 18.54   5.55  12.04 
1975 08 14.89   2.90   8.89 
1975 09  9.96    .26   5.11 
1975 10 -2.59  -9.87  -6.23 
1975 11 11.26 -21.02 -16.14 
1975 12 99.99 -25.95 -99.99 
1976 01 -9.60 -18.14 -13.87 
1976 02 11.29 -21.16 -16.22 
1976 03 -4.48 -16.79 -10.63 
1976 05 99.99  -1.76 -99.99 
1976 12 -8.21 -20.40 -14.30 
1977 01 -5.88 -16.17 -11.02 
1977 02 -1.05 -11.65  -6.35 
1977 03 -4.14 -16.44 -10.29 
1977 04  3.79  -6.85  -1.53 
1977 05 11.18   -.11   5.53 
1977 06 16.40   4.21  10.31 
1977 08 19.46   4.57  12.02 
1977 09  8.72   -.75   3.98 
1977 10  2.50  -6.05  -1.77 
1977 11 10.61 -19.93 -15.27 
1977 12 19.74 -27.07 -23.40 
1978 01 11.81 -20.40 -16.10 
1978 02 -5.06 -16.59 -10.82 
1978 03 -3.13 -13.87  -8.50 
1978 04  3.18  -8.04  -2.42 
1978 05 10.00  -1.35   4.32 
1978 06 14.92   3.80   9.35 
1978 07 17.96   6.90  12.43 
1978 08 16.18   4.53  10.35 
1978 09 10.67   1.15   5.91 
1978 11 -8.33 -16.52 -12.42 
1978 12 11.17 -20.32 -15.74 
1979 01 13.11 -24.71 -18.91 
1979 02 20.77 -32.46 -26.61 
1979 03 -1.53 -12.31  -6.92 
1979 04  3.22 -11.58  -4.17 
1979 05  9.21  -4.10   2.55 
1979 06 14.23    .83   7.53 
1979 07 17.20   4.23  10.71 
1979 08 18.39   3.24  10.81 
1979 10  4.35  -7.07  -1.36 
1979 11   .37 -11.35  -5.49 
1979 12 11.08 -22.16 -16.61 
1980 01 16.19 -28.08 -22.13 
1980 02 -4.09 -14.60  -9.34 
1980 03 -4.42 -15.97 -10.19 
1980 04  4.92  -4.30    .30 
1980 05 12.21    . 0   6.10 
1980 06 17.67   5.10  11.38 
1980 07 16.40   7.20  11.79 
1980 08 14.25   2.65   8.45 
1980 09  6.63  -1.35   2.64 
1980 10  4.48  -3.48    .50 
1980 11 -2.43 -10.22  -6.33 
1980 12 22.00 -31.38 -26.68 
1981 01  -.60  -9.07  -4.83 
1981 02 -6.71 -18.67 -12.69 
1981 04   .70 -11.07  -5.18 
1981 07 17.78 -99.99 -99.99 
1982 05  7.20  -3.42   1.88 
1985 08 13.33   2.23   7.78 
1985 09  8.68   -.82   3.93 
1985 10  -.62  -8.76  -4.69 
1985 11 13.28 -24.62 -18.95 
1986 04 -1.60 -14.15  -7.87 
1986 05  7.73  -2.09   2.81 
1986 06 15.48   3.47   9.47 
1986 07 18.84   7.09  12.96 
1986 08 13.28   3.57   8.42 
1986 09  9.89   -.11   4.89 
1986 10  3.04  -4.52   -.74 
1986 11 -9.97 -20.72 -15.34 
1986 12 -3.20 -13.16  -8.18 
1987 01 -5.03 -15.03 -10.03 
1987 02 -4.82 -14.95  -9.88 
1987 03 -6.40 -18.09 -12.24 
1987 04  2.75  -6.93  -2.08 
1987 05  9.52  -4.23   2.64 
1987 06 14.76   -.35   7.20 
1987 07 99.99   1.85 -99.99 
1987 08 99.99    .-6 -99.99 
1987 09  8.22  -3.82   2.20 
1987 10  2.92  -7.33  -2.20 
1987 11 -2.74 -15.72  -9.23 
1987 12 -4.07 -22.13 -13.10 
1988 01 -9.56 -27.45 -18.50 
1988 02 99.99 -18.42 -99.99 
1988 03 99.99 -16.50 -99.99 
1988 04  4.00 -10.52  -3.26 
1988 05 10.61  -3.98   3.31 
1988 08 15.18   1.23   8.20 
1988 09  8.29   -.58   3.85 
1988 10  1.31  -5.61  -2.15 
1988 11 99.99 -14.70 -99.99 
1989 01 99.99 -26.68 -99.99 
1989 02 99.99 -19.98 -99.99 
1989 03 -8.77 -20.89 -14.83 
1989 04  6.18  -6.48   -.15 
1989 05 11.73   1.13   6.43 
1989 06 99.99   5.67 -99.99 
1989 07 99.99   7.23 -99.99 
1989 08 20.44   6.27  13.35 
1989 09 10.98  -1.78   4.60 
1989 10   .45  -7.93  -3.74 
1989 11 10.50 -18.37 -14.43 
1989 12 -2.83 -13.02  -7.92 
1990 02 99.99 -26.65 -99.99 
1991 01 -9.93 -20.27 -15.10 
1991 02 -3.12 -12.69  -7.90 
1991 03 99.99 -14.75 -99.99 
