1959 09  1.72  -3.61   -.94 
1959 10 -5.67 -10.99  -8.33 
1959 11 -9.07 -15.83 -12.45 
1959 12 14.75 -21.59 -18.17 
1960 01 14.15 -22.51 -18.33 
1960 02 12.74 -21.24 -16.99 
1960 03 18.71 -28.06 -23.39 
1960 04 13.32 -23.37 -18.34 
1960 05 -1.69  -7.96  -4.82 
1960 06  4.51   -.86   1.82 
1960 07 11.65   5.32   8.48 
1960 08  7.34   2.26   4.80 
1960 09  2.20  -2.19    . 0 
1960 10  -.55  -5.76  -3.15 
1960 11 -8.00 -15.83 -11.91 
1960 12 16.21 -23.82 -20.02 
1961 01 21.16 -28.89 -25.02 
1961 02 24.46 -32.11 -28.28 
1961 03 25.14 -34.59 -29.86 
1961 04 -6.00 -15.49 -10.74 
1961 05 -4.35 -10.48  -7.41 
1961 06  5.06  -1.45   1.80 
1961 07 11.02   3.69   7.35 
1961 08  6.97    .65   3.81 
1961 09   .56  -4.01  -1.72 
1961 10 -4.26 -11.79  -8.02 
1961 11 13.74 -21.27 -17.50 
1961 12 11.24 -19.82 -15.53 
1962 01 18.56 -26.59 -22.57 
1962 02 23.65 -31.41 -27.53 
1962 03 -7.88 -13.40 -10.64 
1962 04 10.87 -18.43 -14.65 
1962 05 -2.99  -9.80  -6.39 
1962 06  3.55  -1.48   1.03 
1962 07 11.91   4.28   8.09 
1962 08  7.72   1.79   4.75 
1962 09  2.55  -2.61    .-2 
1962 10 -3.50  -9.05  -6.27 
1962 11 -8.33 -16.41 -12.37 
1962 12 13.18 -24.23 -18.70 
1963 01 11.58 -21.49 -16.53 
1963 02 10.12 -17.85 -13.98 
1963 03 19.03 -28.70 -23.86 
1963 04 -7.30 -15.60 -11.45 
1963 05 -5.49 -11.86  -8.67 
1963 06  2.34  -3.52   -.58 
1963 07  6.85   1.14   3.99 
1963 08  9.39   3.17   6.28 
1963 09 -1.12  -8.64  -4.88 
1963 10 -5.55 -12.19  -8.87 
1963 11 10.25 -17.68 -13.96 
1963 12 13.43 -22.51 -17.97 
1964 01 19.11 -29.55 -24.33 
1964 02 16.19 -26.61 -21.40 
1964 03 24.29 -36.05 -30.17 
1964 04 10.68 -20.55 -15.61 
1964 05 -3.91 -10.70  -7.30 
1964 06  1.77  -3.26   -.74 
1964 07  6.35    . 5   3.20 
1964 08  8.33   1.03   4.67 
1964 09  4.13  -1.64   1.24 
1964 10 -5.40 -11.34  -8.37 
1964 11 10.57 -17.18 -13.87 
1964 12 14.07 -23.19 -18.63 
1965 01 18.45 -28.23 -23.34 
1965 02 13.81 -24.10 -18.95 
1965 03 14.78 -24.36 -19.57 
1965 04 11.65 -21.54 -16.59 
1965 05   .78  -4.38  -1.80 
1965 06  3.40  -1.69    .85 
1965 07  9.64   3.10   6.37 
1965 08  5.37    .-9   2.64 
1965 09  1.91  -3.99  -1.04 
1965 10 -5.72 -12.93  -9.32 
1965 11 -9.55 -17.73 -13.64 
1965 12 17.15 -25.77 -21.46 
1966 01 17.61 -25.93 -21.77 
1966 02 15.12 -24.86 -19.99 
1966 03 18.79 -29.68 -24.24 
1966 04 -9.59 -19.42 -14.50 
1966 05 -4.01 -12.30  -8.15 
1966 06  2.13  -3.24   -.55 
1966 07  8.22   1.66   4.94 
1966 08 12.31   4.91   8.61 
1966 09  2.43  -3.41   -.49 
1966 10 -1.75  -9.39  -5.57 
1966 11 10.55 -23.19 -16.87 
1966 12 15.08 -24.01 -19.54 
1967 01 14.84 -25.90 -20.36 
1967 02 23.25 -32.21 -27.73 
1967 03 18.37 -28.81 -23.59 
1967 04 13.48 -24.21 -18.84 
1967 05  1.04  -7.31  -3.13 
1967 06  1.91  -4.35  -1.22 
1967 07  7.85    .36   4.10 
1967 08  6.22    .54   3.38 
1967 09  1.24  -5.25  -2.00 
1967 10 -5.40 -14.32  -9.85 
1967 11 11.42 -22.37 -16.89 
1967 12 14.53 -26.15 -20.34 
1968 01 20.14 -29.73 -24.93 
1968 02 17.74 -27.74 -22.74 
1968 03 20.09 -30.21 -25.15 
1968 04 -6.24 -14.17 -10.20 
1968 05 -1.45  -8.43  -4.94 
1968 06  3.35  -2.43    .45 
1968 07  7.30   1.32   4.31 
1968 08  6.68    .12   3.40 
1968 09  3.71  -1.82    .94 
1968 10 -1.61  -8.62  -5.11 
1968 11 -8.99 -19.07 -14.03 
1968 12 13.16 -22.23 -17.69 
1969 01 11.53 -22.38 -16.95 
1969 02 10.34 -20.75 -15.54 
1969 03 18.74 -29.49 -24.11 
1969 04 13.09 -22.96 -18.02 
1969 05 -2.23  -9.38  -5.80 
1969 06  2.47  -3.23   -.38 
1969 07  8.95   1.81   5.38 
1969 08  9.05   2.47   5.76 
1969 09   .29  -7.27  -3.49 
1969 10 -4.21 -11.79  -8.00 
1969 11 -8.42 -18.26 -13.34 
1969 12 14.63 -27.12 -20.87 
1970 01 20.06 -29.10 -24.58 
1970 02 15.70 -26.79 -21.24 
1970 03 15.37 -23.86 -19.61 
1970 04 11.21 -20.67 -15.94 
1970 05 -5.49 -13.27  -9.38 
1970 06  1.79  -4.51  -1.36 
1970 07  5.09   -.36   2.36 
1970 08  6.07   -.36   2.85 
1970 09  1.67  -5.18  -1.75 
1970 10 -2.23 -11.32  -6.77 
1970 11 -8.39 -17.77 -13.08 
1970 12 16.28 -25.66 -20.97 
1971 01 16.86 -26.18 -21.52 
1971 02 22.16 -31.93 -27.04 
1971 03 13.23 -23.27 -18.25 
1971 04 11.02 -21.30 -16.16 
1971 05 -2.77 -10.75  -6.76 
1971 06  3.92  -2.51    .70 
1971 07  8.64   2.17   5.40 
1971 08  6.91   1.03   3.96 
1971 09   .68  -4.16  -1.73 
1971 10 -3.84 -10.53  -7.18 
1971 11 10.95 -20.67 -15.81 
1971 12 23.88 -33.59 -28.73 
1972 01 24.45 -33.91 -29.18 
1972 02 22.06 -31.49 -26.77 
1972 03 21.13 -31.14 -26.13 
1972 04 10.47 -20.07 -15.27 
1972 05 -3.23 -10.43  -6.83 
1972 06  -.22  -4.67  -2.44 
1972 07  6.77   -.36   3.20 
1972 08  5.88   -.70   2.59 
1972 09   .55  -6.12  -2.78 
1972 10 -5.65 -15.92 -10.78 
1972 11 13.55 -24.20 -18.87 
1972 12 19.71 -27.39 -23.55 
1973 01 16.59 -25.57 -21.08 
1973 02 23.32 -32.46 -27.89 
1973 03 17.61 -29.55 -23.58 
1973 04 11.21 -20.48 -15.84 
1973 05 -3.53 -11.58  -7.55 
1973 06  2.93  -4.09   -.58 
1973 07  6.95    .36   3.65 
1973 08  9.54   3.09   6.31 
1973 09  2.78  -2.00    .39 
1973 10 -2.22  -9.39  -5.80 
1973 11 -6.43 -13.11  -9.76 
1973 12 14.15 -24.06 -19.10 
1974 01 18.54 -26.86 -22.70 
1974 02 16.28 -25.52 -20.90 
1974 03 18.20 -27.57 -22.89 
1974 04 11.77 -22.89 -17.33 
1974 05   .14  -8.32  -4.08 
1974 06  7.48   -.52   3.47 
1974 07 10.41   3.50   6.95 
1974 08  7.64   1.80   4.71 
1974 09  1.30  -7.33  -3.01 
1974 10 -3.95 -11.94  -7.94 
1974 11 11.07 -19.17 -15.12 
1974 12 22.40 -32.79 -27.59 
1975 01 21.90 -34.37 -28.13 
1975 02 18.75 -28.93 -23.84 
1975 03 19.95 -31.24 -25.59 
1975 04 10.99 -24.61 -17.79 
1975 05  -.81  -8.72  -4.76 
1975 06  7.58    .82   4.19 
1975 07 11.09   3.50   7.29 
1975 08  9.43   2.63   6.03 
1975 09  2.17  -4.48  -1.15 
1975 10 -3.57 -11.86  -7.71 
1975 11 11.72 -21.94 -16.83 
1975 12 16.81 -29.05 -22.93 
1976 01 18.90 -29.45 -24.17 
1976 02 22.10 -31.41 -26.75 
1976 03 18.70 -27.67 -23.18 
1976 04 -9.85 -19.82 -14.83 
1976 05 -2.10  -8.33  -5.22 
1976 06  3.98  -1.64   1.17 
1976 07  6.91    .55   3.73 
1976 08  4.96   -.75   2.10 
1976 09  1.60  -3.35   -.87 
1976 10 -5.52 -11.54  -8.53 
1976 11 10.52 -17.00 -13.76 
1976 12 12.33 -22.62 -17.47 
1977 01 11.17 -20.39 -15.78 
1977 02 17.66 -27.33 -22.49 
1977 03 12.85 -23.88 -18.36 
1977 04 -8.47 -20.04 -14.26 
1977 05 -1.49  -8.42  -4.95 
1977 06  2.93  -2.42    .25 
1977 07  8.42   2.06   5.24 
1977 08  8.03   1.57   4.79 
1977 09  1.64  -5.17  -1.76 
1977 10 -4.30 -12.19  -8.24 
1977 11 -8.02 -16.60 -12.31 
1977 12 18.17 -26.73 -22.45 
1978 01 21.94 -31.83 -26.88 
1978 02 15.99 -24.98 -20.48 
1978 03 21.08 -30.82 -25.95 
1978 04 10.73 -21.82 -16.27 
1978 05 -4.05 -11.42  -7.73 
1978 06   . 7  -5.50  -2.71 
1978 07  6.67    .31   3.49 
1978 08  6.79    .51   3.65 
1978 09   .89  -3.84  -1.47 
1978 10 -5.15 -12.59  -8.87 
1978 11 16.00 -26.09 -21.04 
1978 12 -8.04 -15.58 -11.81 
1979 01 13.50 -23.14 -18.32 
1979 02 22.64 -30.76 -26.70 
1979 03 16.28 -26.26 -21.27 
1979 04 -7.01 -16.44 -11.72 
1979 05 -2.66 -10.33  -6.49 
1979 06  1.88  -4.11  -1.11 
1979 07  6.43    .-5   3.18 
1979 08  7.50    .54   4.02 
1979 09  1.14  -5.15  -2.00 
1979 10 -4.38 -10.98  -7.68 
1979 11 11.98 -20.04 -16.01 
1979 12 16.35 -25.63 -20.99 
1980 01 11.39 -21.01 -16.20 
1980 02 14.93 -23.86 -19.39 
1980 03 13.54 -26.00 -19.77 
1980 04 12.91 -24.45 -18.68 
1980 05  -.44  -8.24  -4.33 
1980 06  2.88  -3.00    .-5 
1980 07  9.22   1.88   5.55 
1980 08 10.46   2.90   6.68 
1980 09  2.70  -4.19   -.74 
1980 10 -3.77 -11.85  -7.81 
1980 11 -8.05 -18.83 -13.44 
1980 12 15.82 -26.56 -21.18 
1981 01 17.20 -29.16 -23.18 
1981 02 21.27 -32.43 -26.85 
1981 03 11.58 -22.94 -17.26 
1981 04 -9.79 -20.96 -15.37 
1981 05 -3.40 -12.96  -8.18 
1981 06  3.96  -2.79    .58 
1981 07  9.47   2.95   6.21 
1981 08  7.81   1.63   4.71 
1981 09  2.68  -1.80    .44 
1981 10 -3.02 -12.54  -7.78 
1981 11 -9.72 -20.99 -15.36 
1981 12 12.54 -23.04 -17.79 
1982 01 13.95 -23.48 -18.71 
1982 02 23.09 -31.85 -27.47 
1982 03 19.45 -28.93 -24.19 
1982 04 12.18 -22.12 -17.15 
1982 05 -4.63 -11.28  -7.95 
1982 06  4.82  -1.39   1.71 
1982 07  8.80   1.88   5.34 
1982 08  7.11    .62   3.86 
1982 09  -.15  -6.80  -3.47 
1982 10 -4.79 -12.08  -8.43 
1982 11 10.75 -21.29 -16.02 
1982 12 20.16 -28.54 -24.35 
1983 01 29.69 -38.02 -33.85 
1983 02 24.74 -35.18 -29.96 
1983 03 21.09 -32.06 -26.57 
1983 04 12.06 -21.39 -16.72 
1983 05 -3.55 -11.96  -7.75 
1983 06  3.97  -2.18    .89 
1983 07  6.85    .31   3.58 
1983 08  4.25   -.85   1.70 
1983 09  2.15  -2.40   -.12 
1983 10 -5.34 -12.97  -9.15 
1983 11 12.81 -22.20 -17.50 
1983 12 17.83 -28.68 -23.25 
1984 01 27.23 -37.16 -32.19 
1984 02 29.99 -40.33 -35.16 
1984 03 19.12 -30.19 -24.66 
1984 04 14.19 -26.17 -20.18 
1984 05 -3.47 -12.48  -7.97 
1984 06  4.34  -2.10   1.11 
1984 07 12.22   4.87   8.54 
1984 08  6.74    .18   3.45 
1984 09   .66  -5.70  -2.52 
1984 10 -3.01 -13.36  -8.18 
1984 11 -9.53 -16.32 -12.92 
1984 12 20.14 -29.91 -25.02 
1985 01 12.77 -21.43 -17.10 
1985 02 18.33 -26.19 -22.26 
1985 03 17.29 -26.43 -21.86 
1985 04 10.69 -19.36 -15.02 
1985 05 -1.54  -7.25  -4.39 
1985 06  6.90    .38   3.64 
1985 07  9.99   2.73   6.35 
1985 08  9.42   2.59   6.00 
1985 09  3.35  -1.59    .87 
1985 10 -3.55 -10.86  -7.20 
1985 11 -7.39 -16.35 -11.87 
1985 12 -8.89 -17.12 -13.01 
1986 01 16.95 -26.69 -21.82 
1986 02 10.56 -20.19 -15.37 
1986 03 20.51 -30.84 -25.67 
1986 04 10.73 -21.59 -16.16 
1986 05 -2.58  -8.89  -5.73 
1986 06   .76  -4.83  -2.03 
1986 07  8.97   1.66   5.32 
1986 08  7.08   1.00   4.04 
1986 09  2.29  -2.10    . 9 
1986 10 -8.33 -16.06 -12.19 
1986 11 16.60 -25.91 -21.25 
1986 12 19.33 -30.11 -24.72 
1987 01 19.85 -31.36 -25.60 
1987 02 21.68 -31.11 -26.39 
1987 03 17.43 -27.45 -22.44 
1987 04 14.39 -25.34 -19.86 
1987 05 -5.85 -11.96  -8.90 
1987 06  3.50  -2.23    .63 
1987 07  8.43   1.48   4.96 
1987 08  9.77   3.53   6.65 
1987 09  4.63   -.71   1.96 
1987 10 -4.84 -11.05  -7.94 
1987 11 10.35 -18.27 -14.31 
1987 12 15.74 -25.65 -20.69 
1988 01 21.39 -31.38 -26.38 
1988 02 13.76 -23.86 -18.81 
1988 03 15.21 -23.40 -19.30 
1988 04 -8.97 -16.40 -12.69 
1988 05 -2.34  -9.51  -5.93 
1988 06  3.36  -3.01    .17 
1988 07  7.51   1.64   4.57 
1988 08  7.48   1.34   4.41 
1988 09  1.88  -3.91  -1.01 
1988 10 -1.81  -9.68  -5.75 
1988 11 -8.71 -19.20 -13.95 
1988 12 17.35 -27.14 -22.24 
1989 01 23.25 -33.45 -28.35 
1989 02 24.88 -34.02 -29.45 
1989 03 22.01 -33.23 -27.62 
1989 04 -8.53 -18.67 -13.60 
1989 05 -5.87 -13.65  -9.76 
1989 06  3.16  -2.65    .25 
1989 07  8.35   1.60   4.97 
1989 08  7.30    .47   3.88 
1989 09   .71  -6.43  -2.86 
1989 10 -4.23 -11.75  -7.99 
1989 11 -7.36 -15.86 -11.61 
1989 12 15.45 -24.36 -19.90 
1990 01 21.65 -30.10 -25.87 
1990 02 23.40 -31.90 -27.65 
1990 03 18.62 -27.03 -22.83 
1990 04 12.61 -22.26 -17.43 
1990 05 -2.64 -10.84  -6.74 
1990 06  5.27   -.55   2.35 
1990 08  6.95    .57   3.76 
1990 09  1.63  -2.86   -.61 
1990 10 -4.98  -9.92  -7.45 
1990 11 11.15 -19.08 -15.11 
1990 12 19.65 -29.47 -24.56 
1991 01 20.67 -31.65 -26.16 
1991 02 19.48 -29.86 -24.67 
1991 03 16.29 -26.07 -21.18 
1991 04 12.20 -22.96 -17.58 
1991 05 -5.38 -12.20  -8.79 
1991 06  8.60   1.38   4.99 
1991 07 12.26   4.71   8.48 
1991 08  7.88    .82   4.35 
1991 09  1.94  -3.12   -.58 
1991 10 -4.14 -13.03  -8.58 
1991 11 10.10 -18.75 -14.43 
1991 12 16.20 -24.95 -20.58 
1992 01 19.44 -28.11 -23.77 
1992 02 26.57 -34.59 -30.58 
1992 03 17.81 -26.43 -22.12 
1992 04 13.21 -21.32 -17.26 
1992 05 -6.28 -12.39  -9.33 
1992 06  1.31  -4.30  -1.49 
1992 07  9.16   1.95   5.55 
1992 08  6.57    .86   3.71 
1992 09   .61  -4.98  -2.18 
1992 10 -2.10  -9.26  -5.68 
1992 11 11.79 -19.41 -15.60 
1992 12 17.58 -27.71 -22.64 
1993 01 25.15 -34.78 -29.96 
1993 02 25.20 -33.77 -29.48 
1993 03 21.78 -29.92 -25.85 
1993 11 23.82 -28.40 -26.11 
1993 12 24.77 -28.75 -26.76 
1994 02 25.30 -31.64 -28.47 
1994 03 27.01 -32.86 -29.93 
1995 03 25.87 -32.54 -29.20 
1995 04 13.01 -19.20 -16.11 
1995 05 -3.06  -8.16  -5.60 
1995 08  6.92   1.50   4.21 
1995 10 -7.05  -9.35  -8.20 
1995 11 -7.57 -10.64  -9.10 
1995 12 17.58 -20.32 -18.95 
1996 02 19.51 -23.39 -21.45 
1996 05 -5.81  -9.14  -7.47 
1996 06   .12  -2.75  -1.31 
1996 07  4.69   1.39   3.04 
1996 09 -1.07  -4.07  -2.57 
1996 11 11.93 -14.87 -13.40 
1996 12 13.68 -16.64 -15.16 
1997 01 20.01 -24.82 -22.41 
1997 02 25.55 -28.86 -27.20 
1997 03 20.66 -23.60 -22.13 
1997 04 16.17 -19.75 -17.95 
1997 05 -4.55  -7.80  -6.17 
1997 06  3.16    .25   1.70 
1997 07  5.12   1.66   3.39 
1997 08  3.00   -.21   1.39 
1997 10 -6.22  -8.01  -7.11 
1997 12 15.45 -19.37 -17.41 
1998 02 23.84 -28.00 -25.92 
1998 03 21.19 -24.16 -22.67 
1998 04 11.98 -14.90 -13.44 
1998 06  4.85   1.99   3.42 
1998 07  7.11   4.08   5.59 
1998 09  4.59    .91   2.75 
1998 10 -2.25  -6.69  -4.47 
1998 11 11.32 -16.23 -13.77 
1998 12 15.86 -20.06 -17.95 
1999 01 22.52 -26.27 -24.39 
1999 02 23.04 -27.08 -25.06 
1999 03 15.08 -19.59 -17.33 
1999 04 -8.95 -13.69 -11.32 
1999 06 -1.99  -4.27  -3.13 
1999 07  5.28   2.33   3.80 
1999 08  3.51    .31   1.91 
1999 09  -.41  -3.51  -1.96 
2000 02 24.38 -30.60 -27.49 
2000 03 22.76 -29.55 -26.15 
2000 04 12.92 -18.68 -15.80 
2000 05 -5.04 -11.86  -8.45 
2000 06  2.06  -2.05    . 0 
2000 07  8.02   2.57   5.29 
2000 09  2.99    .57   1.78 
2000 10 -5.03  -9.05  -7.04 
2000 11 11.19 -16.68 -13.93 
2000 12 18.86 -24.29 -21.57 
2001 01 29.04 -34.91 -31.98 
2001 02 30.44 -35.91 -33.18 
2001 03 21.47 -27.93 -24.70 
2001 04 16.18 -22.65 -19.41 
2001 07  8.68   5.26   6.97 
2002 01 19.42 -23.17 -21.29 
2002 02 27.90 -32.43 -30.16 
2002 03 22.59 -26.00 -24.29 
2002 08  7.34   2.76   5.05 
2002 09  2.78    . 8   1.43 
2002 11 12.35 -16.76 -14.55 
2002 12 16.12 -20.66 -18.39 
2003 01 19.42 -23.94 -21.68 
2003 02 27.47 -31.91 -29.68 
2003 04 15.56 -22.09 -18.82 
2003 05 -2.62  -7.61  -5.11 
2003 06  3.32    .-1   1.65 
2003 07  8.78   3.02   5.89 
2003 11 13.54 -18.79 -16.16 
2003 12 15.87 -22.87 -19.37 
2004 01 28.09 -33.77 -30.93 
2004 02 24.99 -31.51 -28.25 
2004 03 27.98 -34.57 -31.27 
2004 04 15.41 -22.22 -18.81 
2004 05 -3.12  -7.25  -5.18 
2004 06  2.53   -.97    .78 
2004 07  6.77   1.63   4.19 
2004 08  6.89   2.74   4.81 
2004 12 24.40 -28.90 -26.65 
2005 01 24.07 -27.25 -25.66 
2005 02 18.92 -23.42 -21.17 
2005 03 11.43 -17.48 -14.45 
2005 04 12.70 -16.70 -14.70 
2005 05 -2.69  -6.52  -4.60 
2005 06   .52  -1.97   -.72 
2005 07  5.62   2.06   3.84 
2005 08  4.71   1.31   3.01 
2005 09 -1.21  -3.63  -2.42 
2005 10 -3.65  -6.97  -5.31 
2005 11 -9.00 -12.12 -10.56 
2005 12 16.49 -20.00 -18.24 
2006 02 17.07 -21.52 -19.29 
2006 03 13.37 -18.79 -16.08 
2006 04 13.03 -18.41 -15.71 
2006 05 -4.00  -6.97  -5.48 
2006 06   .86  -2.33   -.73 
2006 07  7.30   3.72   5.51 
2006 08  5.38   2.52   3.95 
2006 09  1.87   -.23    .82 
2006 10 -1.45  -4.80  -3.12 
2006 11 11.46 -14.99 -13.22 
2006 12 18.43 -21.60 -20.01 
2007 03 18.66 -23.14 -20.90 
2007 04 13.17 -17.17 -15.17 
2007 05 -8.39 -11.63 -10.01 
2007 06  1.55  -1.66    .-5 
2007 07  5.96   2.43   4.19 
2007 08  6.35   2.88   4.61 
2007 09 -1.57  -3.94  -2.75 
2007 10 -6.45  -9.10  -7.77 
2007 11 12.83 -15.69 -14.26 
2007 12 18.81 -22.16 -20.48 
2008 01 20.35 -24.52 -22.43 
2008 02 23.97 -27.93 -25.95 
2008 03 19.73 -23.50 -21.61 
2008 04 11.40 -15.47 -13.43 
2008 05 -2.71  -5.58  -4.14 
2008 06  4.44    .58   2.52 
2008 07  8.39   4.26   6.32 
2008 08  6.42   2.58   4.50 
2008 09  -.89  -3.61  -2.25 
2008 10 -4.00  -7.86  -5.93 
2008 11 12.71 -15.75 -14.23 
2008 12 19.19 -22.77 -20.98 
2009 01 16.70 -21.33 -19.01 
2009 02 18.48 -22.74 -20.61 
2009 03 18.23 -22.80 -20.51 
2009 04 12.90 -16.96 -14.93 
2009 05 -6.71  -9.71  -8.21 
2009 06   .21  -2.35  -1.07 
2009 07  9.13   5.65   7.39 
2009 08  6.63   2.97   4.80 
2009 09 -2.43  -4.69  -3.56 
2009 10 -7.20  -9.47  -8.33 
2009 11 13.69 -16.76 -15.22 
2009 12 10.16 -15.35 -12.75 
2010 01 16.10 -20.90 -18.50 
2010 02 -9.96 -15.43 -12.69 
2010 03 15.71 -20.10 -17.90 
2010 04 -9.18 -13.32 -11.25 
2010 05  -.96  -5.03  -2.99 
2010 06  2.07   -.73    .66 
2010 07  7.32   3.87   5.59 
2010 08  8.03   4.40   6.21 
2010 09   .80  -1.60   -.40 
2010 10 -4.29  -6.71  -5.50 
2010 11 -5.43  -9.77  -7.60 
2010 12 13.30 -18.46 -15.88 
2011 01 17.79 -23.11 -20.45 
2012 02 19.64 -24.00 -21.82 
2012 03 21.62 -25.77 -23.69 
2012 05 -4.12  -8.04  -6.08 
2012 07  9.43   5.63   7.53 
2013 01 17.65 -21.61 -19.63 
2013 02 17.75 -22.18 -19.96 
2013 03 11.23 -14.73 -12.98 
2013 04 10.10 -14.24 -12.17 
2013 05 -9.56 -12.64 -11.10 
2013 06  2.29  -1.21    .53 
2013 07  6.54   2.23   4.38 
2013 08  5.31   1.19   3.25 
2013 09 -2.08  -4.15  -3.11 
2013 10 -5.16  -7.78  -6.47 
2013 11 13.42 -16.12 -14.77 
2013 12 20.18 -23.39 -21.78 
