1967 11 99.99  -4.10 -99.99 
1967 12 -2.01 -99.99 -99.99 
1968 02 -4.36 -16.27 -10.31 
1968 03 -2.40 -12.76  -7.58 
1968 04  3.22  -3.57   -.17 
1968 05 99.99   -.70 -99.99 
1968 07 18.73   7.97  13.35 
1968 08 15.53   7.08  11.30 
1968 12  -.31 -99.99 -99.99 
1969 02   .34 -11.96  -5.81 
1969 03  1.78  -7.36  -2.79 
1969 04  2.39  -9.87  -3.73 
1969 05  8.35   -.98   3.68 
1969 06 15.46   3.45   9.45 
1969 07 20.15   7.40  13.77 
1969 08 19.33   9.03  14.18 
1969 09 13.63   2.83   8.22 
1969 10  5.86 -99.99 -99.99 
1970 03   .70  -8.43  -3.87 
1970 04  3.91  -5.65   -.87 
1970 05  9.54   -.20   4.67 
1970 06 13.25   3.35   8.30 
1970 08 20.36   9.54  14.95 
1970 09 15.15   2.77   8.96 
1970 10 10.45   -.14   5.15 
1970 11  3.28 -99.99 -99.99 
1970 12 -7.77 -99.99 -99.99 
1971 01 -7.09 -17.42 -12.25 
1971 02 -6.31 -18.53 -12.42 
1971 03   .15  -7.25  -3.55 
1971 04  4.23  -2.42    .90 
1971 05 11.34   1.43   6.38 
1971 06 17.89   5.39  11.64 
1971 07 99.99   9.31 -99.99 
1971 08 20.80   9.43  15.11 
1971 09 15.22   5.14  10.18 
1971 10  9.35   -.61   4.37 
1971 11  3.33 -99.99 -99.99 
1972 01 15.74 -99.99 -99.99 
1972 03 13.14 -20.83 -16.98 
1972 04   .-1  -6.54  -3.27 
1972 05  3.41  -2.35    .52 
1972 06 15.86 -99.99 -99.99 
1972 07 20.32   8.78  14.54 
1972 08 18.84   8.49  13.66 
1972 09 13.31   4.87   9.09 
1972 10  6.22  -1.22   2.50 
1972 11  1.02  -6.76  -2.87 
1972 12 16.62 -23.33 -19.97 
1973 01 11.31 -19.99 -15.65 
1973 02 99.99 -17.12 -99.99 
1973 03 -3.36 -12.99  -8.17 
1973 04  1.89  -3.91  -1.01 
1973 05  8.93   1.46   5.19 
1973 06 14.22   6.35  10.28 
1973 07 21.66  11.63  16.64 
1973 08 19.45  10.06  14.76 
1973 09 15.98   5.62  10.79 
1973 10  8.56   -.46   4.05 
1973 11  4.00  -3.40    .29 
1973 12 -1.44  -9.45  -5.44 
1974 01 15.42 -25.36 -20.39 
1974 03 -4.96 -16.45 -10.71 
1974 05  8.18   -.62   3.78 
1974 06 16.04   4.08  10.06 
1974 07 17.45 -99.99 -99.99 
1974 08 19.33   9.89  14.61 
1974 09 14.65   3.84   9.24 
1974 10  6.54  -2.05   2.24 
1974 11  2.71  -5.18  -1.23 
1974 12 -2.33 -10.73  -6.53 
1975 02 10.18 -21.98 -16.08 
1975 03 -1.80 -11.09  -6.44 
1975 04  3.62  -3.77    .-7 
1975 05  9.14   -.29   4.42 
1975 06 14.56   4.02   9.29 
1975 07 22.19  10.86  16.52 
1975 08 18.67   8.76  13.71 
1975 11 99.99  -5.22 -99.99 
1976 01 99.99 -19.35 -99.99 
1976 04  3.88  -4.13   -.12 
1976 05  9.37   1.89   5.63 
1976 06 17.08   4.11  10.59 
1976 07 20.96  11.60  16.27 
1976 08 20.20   8.18  14.19 
1976 09 15.14   3.86   9.50 
1976 10  7.41  -2.19   2.61 
1976 11  2.15  -5.49  -1.66 
1976 12 -7.70 -20.76 -14.23 
1977 01 -9.35 -19.46 -14.41 
1977 02 -7.65 -19.96 -13.81 
1977 03   .43  -9.77  -4.67 
1977 04  4.28  -3.67    .30 
1977 05 10.20    .60   5.40 
1977 06 14.85   4.75   9.80 
1977 07 19.92   9.14  14.53 
1977 08 19.35   9.32  14.33 
1977 09 13.33   3.49   8.41 
1977 10  7.09  -1.38   2.85 
1978 09 11.35   2.58   6.96 
1978 10  6.78  -1.68   2.55 
1979 01 -1.97 -12.32  -7.14 
1979 02 -9.80 -18.26 -14.03 
1979 04  7.46    .41   3.93 
1979 05 10.99   2.71   6.85 
1979 06 16.19   5.29  10.74 
1979 07 17.34   7.78  12.56 
1979 08 18.69   7.75  13.22 
1979 09 12.93   3.39   8.16 
1979 10  8.14  -1.17   3.48 
1979 11  2.28  -5.55  -1.63 
1980 02 -5.66 -19.07 -12.36 
1980 03  -.87 -11.83  -6.35 
1980 04  4.57  -4.01    .27 
1980 05  8.07   -.36   3.85 
1980 06 14.24   3.18   8.71 
1980 08 17.10   7.56  12.33 
1980 09 13.02   2.63   7.82 
1980 10  7.45  -1.30   3.07 
1980 11  3.89  -2.52    .68 
1980 12 -6.04 -17.20 -11.62 
1981 01 -6.98 -16.73 -11.85 
1981 02 -1.48 -11.47  -6.47 
1981 03  2.20  -5.77  -1.78 
1981 04  3.84  -4.52   -.34 
1981 05 10.45    .38   5.41 
1981 06 15.02   4.64   9.83 
1981 07 20.67   9.16  14.91 
1981 08 19.12   7.80  13.46 
1981 09 15.21   6.00  10.60 
1981 10  9.18    .22   4.70 
1981 11  2.38  -4.31   -.96 
1981 12 -1.92  -8.53  -5.22 
1982 01 -7.44 -17.92 -12.68 
1982 02 10.68 -22.90 -16.79 
1982 03 -3.30 -16.21  -9.75 
1982 04  2.52  -6.62  -2.05 
1982 05  7.81   -.69   3.56 
1982 06 12.96   2.87   7.91 
1982 07 18.04   7.92  12.98 
1982 08 18.68   7.31  12.99 
1982 09 14.62   3.02   8.82 
1982 10  6.90  -2.81   2.04 
1982 11   .98  -6.67  -2.84 
1982 12 -5.92 -18.24 -12.08 
1983 01 -7.89 -17.77 -12.83 
1983 02 -5.18 -15.20 -10.18 
1983 03  -.21  -9.55  -4.88 
1983 04  5.68  -1.60   2.04 
1983 05  8.45    .17   4.31 
1983 06 16.54   5.31  10.92 
1983 07 18.79   9.00  13.89 
1983 08 17.61   7.63  12.62 
1983 09 15.28   4.42   9.85 
1983 10  8.76   -.69   4.03 
1983 11  2.02  -5.40  -1.69 
1983 12 -5.89 -16.15 -11.02 
1984 01 11.85 -25.68 -18.76 
1984 02 -4.67 -16.48 -10.58 
1984 03 -2.53 -12.24  -7.38 
1984 04  1.47  -7.75  -3.14 
1984 05  9.21   1.08   5.14 
1984 06 12.58   3.47   8.02 
1984 07 99.99  12.29 -99.99 
1984 09 14.20   4.23   9.21 
1984 10  7.78  -2.45   2.66 
1984 11  1.73  -5.87  -2.07 
1984 12 -5.82 -16.77 -11.29 
1985 01 -8.79 -18.07 -13.43 
1985 02 -5.06 -15.63 -10.34 
1985 03 -2.27 -13.02  -7.64 
1985 04  3.16 -99.99 -99.99 
1985 05  8.00  -1.68   3.16 
1985 06 14.74   3.87   9.30 
1985 07 19.15   9.10  14.12 
1985 08 18.56   9.07  13.81 
1985 09 15.09   5.30  10.19 
1985 10  6.97   -.79   3.09 
1985 11   .75  -7.07  -3.16 
1985 12 -6.53 -15.77 -11.15 
1986 01 -6.12 -18.08 -12.10 
1986 02 -4.61 -15.98 -10.29 
1986 03 -3.76 -18.48 -11.12 
1986 04  5.04 -99.99 -99.99 
1986 05 11.12    .-7   5.52 
1986 06 14.55   3.52   9.03 
1986 07 17.92   7.48  12.70 
1986 08 19.90   9.10  14.50 
1986 09 13.50   2.47   7.98 
1986 10  7.42  -3.10   2.16 
1986 11 -1.73 -11.63  -6.68 
1986 12 -6.40 -18.02 -12.21 
1987 01 -7.94 -19.60 -13.77 
1987 02 -3.04 -12.61  -7.82 
1987 03   .32 -10.18  -4.93 
1987 05 11.69    .-8   5.80 
1987 06 16.20   4.91  10.56 
1987 07 21.21   9.03  15.11 
1987 08 20.03 -99.99 -99.99 
1987 09 15.35   4.25   9.80 
1987 11  1.04  -8.00  -3.47 
1987 12 -3.68 -11.08  -7.38 
1988 01 -7.62 -19.65 -13.63 
1988 02 -8.83 -21.67 -15.25 
1988 04  4.71  -2.38   1.16 
1988 06 13.32   4.28   8.80 
1988 07 19.50   8.05  13.77 
1988 09 14.32   4.19   9.26 
1988 10  7.42   -.28   3.57 
1988 11  3.67  -3.20    .23 
1988 12 -7.90 -18.90 -13.40 
1989 01 -9.18 -21.52 -15.35 
1989 02 -8.22 -21.04 -14.63 
1989 04  5.50  -2.93   1.28 
1989 05 10.14   1.77   5.96 
1989 06 17.95   5.92  11.93 
1989 07 20.90   8.60  14.75 
1989 09 15.63   4.83  10.22 
1989 10  7.92  -1.19   3.36 
1989 11   .80  -7.63  -3.41 
1990 01 10.33 -21.59 -15.96 
1990 02 11.30 -24.55 -17.92 
1990 03 -3.60 -17.94 -10.77 
1990 04  3.05  -6.13  -1.54 
1990 05  8.18  -1.37   3.41 
1990 06 15.17   3.92   9.54 
1990 07 20.48 -99.99 -99.99 
1990 08 20.79 -99.99 -99.99 
1990 09 15.38   4.53   9.95 
1990 10  8.42   -.13   4.14 
1990 11  1.03  -5.07  -2.02 
1990 12 -5.55 -17.08 -11.31 
1991 01 15.35 -27.66 -21.50 
1991 02 -8.55 -21.02 -14.78 
1991 04  3.02  -7.28  -2.13 
1991 05  9.97   -.52   4.72 
1991 06 14.13   3.48   8.80 
1991 08 20.12   8.84  14.48 
1991 09 14.42   4.30   9.36 
1991 10  8.76   1.23   4.99 
1991 11  1.98  -4.92  -1.47 
1992 02 10.71 -22.12 -16.41 
1992 05  8.77  -1.10   3.83 
1992 06 14.75   5.65  10.20 
1992 07 17.53   7.02  12.27 
1992 08 19.04   8.81  13.93 
1992 09 15.57   5.08  10.32 
1992 10  7.12    . 7   3.59 
1992 11  -.93 -10.25  -5.59 
1993 01 11.42 -22.38 -16.90 
1993 02 11.34 -23.55 -17.44 
1993 03 -2.06 -15.79  -8.92 
1993 04  4.23  -6.05   -.91 
1993 05  7.42   -.18   3.62 
1993 06 14.48   3.90   9.18 
1993 09 14.41   2.83   8.62 
1993 10  6.35  -1.71   2.32 
1993 11   .32  -8.87  -4.27 
1994 02 10.18 -23.57 -16.87 
1994 04  3.62  -4.88   -.63 
1994 05  8.71   -.47   4.12 
1994 06 14.90   4.10   9.50 
1994 08 19.37   8.84  14.10 
1994 09 14.38   5.02   9.70 
1994 10  8.82   1.59   5.20 
1994 11  2.85  -4.67   -.91 
1995 01 -9.81 -19.69 -14.75 
1995 02 -9.20 -22.55 -15.87 
1995 03 -2.74 -13.65  -8.19 
