1968 05  11.20   0.40   5.80 
1968 06  14.20   3.64   8.92 
1968 07  20.86   7.86  14.36 
1968 08  16.75   6.11  11.43 
1968 09  14.30   4.19   9.25 
1968 10   4.19  -1.70   1.24 
1968 11  -1.04  -5.40  -3.22 
1968 12 -99.99 -14.14 -99.99 
1969 01 -11.55 -18.33 -14.94 
1969 02  -3.21 -10.18  -6.69 
1969 03   3.32  -5.54  -1.11 
1969 04   6.20  -2.16   2.02 
1969 05  14.79   3.31   9.05 
1969 06  19.71   8.82  14.27 
1969 07  18.17   6.84  12.50 
1969 08  19.62   5.72  12.67 
1969 09  13.91   4.17   9.04 
1969 10   6.94  -1.08   2.93 
1969 11   1.43  -3.89  -1.23 
1969 12  -2.13  -7.69  -4.91 
1970 01  -5.05 -11.51  -8.28 
1970 02   1.72  -5.29  -1.78 
1970 03   1.88  -7.26  -2.69 
1970 04   4.09  -5.03   -.47 
1970 05  12.60  -0.09   6.25 
1970 06  19.34   6.52  12.93 
1970 07  21.65   8.43  15.04 
1970 08  22.15   8.10  15.12 
1970 09  11.66   1.67   6.66 
1970 10   6.72  -1.46   2.63 
1970 11   -.35  -7.27  -3.81 
1970 12  -4.71 -10.93  -7.82 
1971 01  -2.03  -9.78  -5.90 
1971 02  -1.21  -8.02  -4.61 
1971 03  -1.93 -10.00  -5.96 
1971 04   5.96  -3.95   1.00 
1971 05  13.35   2.30   7.82 
1971 06  13.87   3.16   8.51 
1971 07  22.25   8.39  15.32 
1971 08  23.41  10.51  16.95 
1971 09  11.32   2.34   6.83 
1971 10   5.64  -2.07   1.78 
1971 11   -.38  -5.73  -3.05 
1971 12  -6.65 -14.32 -10.48 
1972 01  -7.13 -14.70 -10.91 
1972 02  -2.24  -9.60  -5.92 
1972 03   2.42  -5.19  -1.38 
1972 04   2.82  -5.98  -1.58 
1972 05  12.94   2.22   7.58 
1972 06  14.65   5.42  10.03 
1972 07  19.21   8.12  13.67 
1972 08  20.96   9.10  15.03 
1972 09  10.51   1.87   6.19 
1972 10   8.09  -1.32   3.38 
1972 11   0.12  -4.71  -2.29 
1972 12  -6.81 -12.36  -9.58 
1973 01  -5.77 -12.68  -9.22 
1973 02   -.91  -7.78  -4.34 
1973 03   2.11  -5.45  -1.66 
1973 04   7.45  -2.85   2.30 
1973 05  12.29   1.59   6.94 
1973 06  14.35   3.73   9.04 
1973 07  20.83   7.70  14.26 
1973 08  19.87   7.49  13.68 
1973 09  15.55   4.31   9.93 
1973 10   5.02  -1.37   1.82 
1973 11  -3.08  -9.22  -6.15 
1973 12  -2.31  -7.65  -4.98 
1974 01  -5.43 -11.75  -8.59 
1974 02   -.58  -7.01  -3.80 
1974 03   0.30  -6.44  -3.07 
1974 04   6.15  -2.32   1.91 
1974 05   8.37   -.58   3.89 
1974 06  18.19   6.42  12.30 
1974 07  18.29   6.68  12.49 
1974 08  20.52   9.16  14.84 
1974 09  17.45   5.79  11.62 
1974 10  10.33   0.88   5.60 
1974 11   -.76  -5.49  -3.12 
1974 12  -2.73  -7.37  -5.05 
1975 01  -4.91 -11.57  -8.24 
1975 02  -4.64 -12.56  -8.60 
1975 03  -1.17  -8.79  -4.98 
1975 04   4.83  -4.04   0.39 
1975 05  11.18   0.48   5.83 
1975 06  14.30   4.57   9.43 
1975 07  22.03  10.86  16.44 
1975 08  15.59   5.57  10.58 
1975 09  16.95   5.83  11.39 
1975 10 -99.99  -1.22 -99.99 
1975 11 -99.99  -8.31 -99.99 
1975 12  -2.53  -9.85  -6.19 
1976 01  -1.38  -8.37  -4.87 
1976 02  -1.83  -9.32  -5.57 
1976 03   -.86  -8.60  -4.73 
1976 04   6.26  -2.77   1.74 
1976 05 -99.99   0.94 -99.99 
1976 06  13.29   2.99   8.14 
1976 07  17.81   7.15  12.48 
1976 08  15.31   6.86  11.08 
1976 09  16.52   6.08  11.30 
1976 10   7.21   -.55   3.33 
1976 11 -99.99  -3.83 -99.99 
1976 12   -.99  -7.98  -4.48 
1977 01  -2.10 -10.08  -6.09 
1977 02   1.39  -5.59  -2.10 
1977 03   0.38  -6.72  -3.16 
1977 04   9.24   -.63   4.30 
1977 05   9.25   0.35   4.80 
1977 06  17.17   5.70  11.43 
1977 07  18.62   6.75  12.69 
1977 08  20.57  10.46  15.51 
1977 09  11.27   2.76   7.01 
1977 10   6.31   -.65   2.83 
1977 11  -2.52  -8.26  -5.39 
1977 12  -5.95 -12.26  -9.10 
1978 01  -3.53  -9.84  -6.68 
1978 02  -1.20  -7.62  -4.41 
1978 03   3.15  -4.66   -.75 
1978 04   5.81  -1.98   1.91 
1978 05   9.70   0.72   5.21 
1978 06  16.89   6.78  11.83 
1978 07  20.90   9.75  15.32 
1978 08  17.35   8.28  12.81 
1978 09  11.08   3.90   7.49 
1978 10   8.45   0.60   4.52 
1978 11  -2.92  -8.67  -5.79 
1978 12  -7.15 -12.39  -9.77 
1979 01  -9.18 -15.34 -12.26 
1979 02  -2.82  -9.54  -6.18 
1979 03   3.39  -4.39   -.49 
1979 04   6.23  -1.98   2.12 
1979 05  12.00   1.66   6.83 
1979 06  16.65   5.78  11.21 
1979 07  21.05   9.71  15.37 
1979 08  20.32   9.97  15.14 
1979 09  15.87   6.83  11.35 
1979 10   9.21   2.32   5.76 
1979 11   0.12  -5.68  -2.78 
1979 12  -2.29  -7.44  -4.86 
1980 01  -7.34 -14.53 -10.93 
1980 02  -1.26  -7.31  -4.28 
1980 03   0.60  -6.27  -2.83 
1980 04   9.03   -.35   4.33 
1980 05  12.24   3.16   7.70 
1980 06  13.82   4.50   9.16 
1980 07  18.76   8.10  13.43 
1980 08  15.98   6.48  11.23 
1980 09  13.08   4.83   8.95 
1980 10   9.26   1.42   5.34 
1980 11   -.40  -4.42  -2.41 
1980 12  -2.58  -7.79  -5.18 
1981 01  -0.03  -4.40  -2.21 
1981 02   -.43  -6.59  -3.51 
1981 03   4.35  -3.15   0.59 
1981 04   5.23  -3.02   1.10 
1981 05  10.44   2.15   6.29 
1981 06  11.47   3.43   7.45 
1981 07  17.53   8.24  12.88 
1981 08  22.76  11.71  17.23 
1981 09  14.20   5.08   9.63 
1981 10   6.45   0.03   3.24 
1981 11   1.55  -2.87   -.66 
1981 12  -4.34  -9.22  -6.78 
1982 01  -4.71 -11.21  -7.96 
1982 02  -3.96  -9.05  -6.50 
1982 03   1.17  -6.65  -2.73 
1982 04   4.52  -4.52   0.00 
1982 05  10.81   1.90   6.35 
1982 06  18.85   8.37  13.61 
1982 07  16.85   7.92  12.38 
1982 08  18.10   7.76  12.93 
1982 09  13.87   5.37   9.62 
1982 10   7.06   0.08   3.57 
1982 11  -3.08  -8.14  -5.61 
1982 12  -4.11  -9.32  -6.71 
1983 01  -1.48  -5.84  -3.66 
1983 02   -.61  -5.59  -3.10 
1983 03   2.84  -3.97   -.56 
1983 04   6.60  -1.95   2.32 
1983 05  13.39   3.85   8.62 
1983 06  13.93   4.57   9.25 
1983 07  15.79   6.94  11.36 
1983 08  19.95   9.43  14.69 
1983 09  10.75   2.53   6.64 
1983 10   6.98   -.18   3.40 
1983 11  -0.02  -4.44  -2.23 
1983 12  -9.81 -15.94 -12.87 
1984 01  -2.34  -8.68  -5.51 
1984 02   -.34  -6.26  -3.30 
1984 03   3.35  -3.97   -.31 
1984 04   4.00  -2.98   0.51 
1984 05   7.58   -.50   3.54 
1984 06  14.03   4.82   9.42 
1984 07  20.66   8.37  14.51 
1984 08  19.15   8.26  13.70 
1984 09  11.75   2.65   7.20 
1984 10   4.35  -1.83   1.26 
1984 11  -1.45  -6.40  -3.92 
1984 12  -8.24 -14.74 -11.49 
1985 01  -3.69  -9.10  -6.39 
1985 02  -3.70  -8.96  -6.33 
1985 03   1.74  -7.11  -2.68 
1985 04   5.95  -1.43   2.26 
1985 05  12.95   3.34   8.14 
1985 06  15.60   5.45  10.52 
1985 07  24.26  11.95  18.10 
1985 08  18.06   7.73  12.89 
1985 09   9.93   2.83   6.38 
1985 10   4.44  -1.19   1.62 
1985 11  -6.88 -15.26 -11.07 
1985 12  -1.95  -9.03  -5.49 
1986 01  -2.18  -6.53  -4.35 
1986 02  -2.48  -9.05  -5.76 
1986 03   3.92  -2.32   0.80 
1986 04   4.46  -2.50   0.98 
1986 05  11.81   2.52   7.16 
1986 06  17.70   7.08  12.39 
1986 07  15.47   6.16  10.81 
1986 08  22.19  10.97  16.58 
1986 09  10.75   3.58   7.16 
1986 10  11.06   2.74   6.90 
1986 11  -1.57  -7.00  -4.28 
1986 12  -4.31  -8.60  -6.45 
1987 01  -4.17  -8.60  -6.39 
1987 02   -.38  -5.80  -3.09 
1987 03   2.84  -4.23   -.69 
1987 04   8.70   0.37   4.53 
1987 05  13.16   2.97   8.06 
1987 06  18.93   7.63  13.28 
1987 07  18.53   8.39  13.46 
1987 08  18.96   8.39  13.68 
1987 09  19.03   7.91  13.47 
1987 10  11.10   2.15   6.62 
1987 11   1.12  -2.68   -.78 
1987 12  -3.87  -9.31  -6.59 
1988 01  -5.15 -11.15  -8.14 
1988 02   0.84  -6.84  -3.00 
1988 03   2.05  -4.60  -1.27 
1988 04   8.13   0.22   4.17 
1988 05  11.56   2.05   6.80 
1988 06  14.85   5.30  10.07 
1988 07  19.23   8.34  13.78 
1988 08  19.00   8.47  13.74 
1988 09  14.37   5.37   9.87 
1988 10  11.05   3.24   7.14 
1988 11  -1.27  -4.98  -3.12 
1988 12  -3.05  -8.79  -5.92 
1989 01  -3.71 -10.42  -7.06 
1989 02  -5.89 -13.27  -9.58 
1989 03   -.66  -6.76  -3.71 
1989 04   8.27   -.62   3.82 
1989 05  11.48   2.18   6.83 
1989 06  16.62   6.97  11.79 
1989 07  19.34   7.90  13.62 
1989 08  17.03   7.76  12.39 
1989 09  16.12   6.13  11.12 
1989 10   6.68  -0.05   3.31 
1989 11   0.70  -4.37  -1.83 
1989 12   -.26  -6.23  -3.24 
1990 01  -2.76  -8.64  -5.70 
1990 02  -2.89 -10.79  -6.84 
1990 03   3.52  -4.67   -.57 
1990 04   8.88   -.15   4.36 
1990 05   9.39   1.81   5.60 
1990 06  14.97   3.72   9.34 
1990 07  20.45 -99.99 -99.99 
1990 08  19.74  10.00  14.87 
1990 09 -99.99   7.98 -99.99 
1990 10   3.87  -1.77   1.04 
1990 11   -.45  -5.32  -2.88 
1990 12  -8.35 -14.89 -11.62 
1991 01  -4.56 -11.23  -7.89 
1991 02   2.07  -3.82   -.87 
1991 03   0.60  -7.13  -3.26 
1991 04   6.35  -1.43   2.46 
1991 05  10.65   1.40   6.02 
1991 06  14.18   3.67   8.92 
1991 07  19.95   8.18  14.06 
1991 08  20.24   9.89  15.07 
1991 09  17.82   5.97  11.89 
1991 10 -99.99  -4.71 -99.99 
1991 11   0.93  -8.00  -3.53 
1991 12  -1.11  -9.53  -5.32 
1992 01  -1.71  -9.55  -5.63 
1992 02   2.76 -99.99 -99.99 
1992 03   8.10  -3.92   2.09 
1992 04   8.55  -3.40   2.57 
1992 05  14.60   1.27   7.93 
1992 06  19.77   7.78  13.77 
1992 07  19.11   8.79  13.95 
1992 08  20.27   9.32  14.79 
1992 09  12.77   2.83   7.80 
1992 10   8.22   0.58   4.40 
1992 11  -0.07  -5.83  -2.95 
1992 12  -4.67 -11.11  -7.89 
1993 01  -6.32 -12.81  -9.56 
1993 02  -3.73 -10.07  -6.89 
1993 03   1.92  -6.16  -2.11 
1993 04   5.13  -1.63   1.75 
1993 05  16.68   4.96  10.82 
1993 06  14.60   4.69   9.64 
1993 07  15.52   6.35  10.93 
1993 08  17.81   8.24  13.02 
1993 09  16.12   5.85  10.99 
1993 10   9.78   2.05   5.91 
