1957 02 -2.50 -99.99 -99.99 
1957 03  2.09 -99.99 -99.99 
1957 04 10.80 -99.99 -99.99 
1957 05 17.10 -99.99 -99.99 
1957 06 18.40 -99.99 -99.99 
1957 11 11.00 -99.99 -99.99 
1958 01 -1.90 -99.99 -99.99 
1958 03  2.80 -99.99 -99.99 
1958 04  9.89 -99.99 -99.99 
1958 05 18.10 -99.99 -99.99 
1958 08 24.20 -99.99 -99.99 
1958 09 21.70 -99.99 -99.99 
1958 10 15.00 -99.99 -99.99 
1958 11  9.70   -.60   4.54 
1958 12  5.00 -99.99 -99.99 
1959 02  2.80  -6.50  -1.85 
1959 04 12.50 -99.99 -99.99 
1959 05 18.60 -99.99 -99.99 
1959 06 18.70 -99.99 -99.99 
1959 08 24.60 -99.99 -99.99 
1959 09 22.10 -99.99 -99.99 
1959 10 17.40   8.80  13.10 
1959 11  6.80 -99.99 -99.99 
1959 12  1.80  -5.00  -1.60 
1960 01 -3.50 -99.99 -99.99 
1960 02  3.90  -6.00  -1.04 
1960 03  5.40  -2.40   1.50 
1960 04 11.80   2.30   7.05 
1960 05 15.30   7.80  11.55 
1960 06 18.60 -99.99 -99.99 
1960 07 22.90  17.60  20.25 
1960 08 25.40  18.50  21.95 
1960 09 23.00 -99.99 -99.99 
1960 10 16.10   6.40  11.25 
1960 12 -1.00 -99.99 -99.99 
1961 01 -1.60 -99.99 -99.99 
1961 02   . 0 -99.99 -99.99 
1961 03  6.60  -3.10   1.75 
1961 04 12.90   3.20   8.05 
1961 05 18.00   8.89  13.45 
1961 06 23.30  14.00  18.65 
1961 07 26.00  19.90  22.95 
1961 08 24.90 -99.99 -99.99 
1961 09 22.50  14.10  18.29 
1961 10 15.80 -99.99 -99.99 
1961 11 10.80   1.30   6.05 
1962 01 99.99  -8.89 -99.99 
1962 02 99.99  -7.70 -99.99 
1962 03  3.70  -3.90   -.10 
1962 04 13.20   3.70   8.45 
1962 05 16.50   7.40  11.95 
1962 06 18.20 -99.99 -99.99 
1962 07 22.80  16.50  19.65 
1962 08 23.60  18.29  20.95 
1962 10 15.70 -99.99 -99.99 
1963 01 -5.00 -99.99 -99.99 
1963 02   .90 -99.99 -99.99 
1963 03  6.10 -99.99 -99.99 
1963 04 11.70 -99.99 -99.99 
1963 05 18.40   8.00  13.20 
1963 06 19.40 -99.99 -99.99 
1963 07 21.60  16.40  19.00 
1963 08 23.50  19.00  21.25 
1963 09 21.30  13.10  17.20 
1963 10 15.60   5.70  10.65 
1963 11  7.80    .50   4.15 
1963 12  3.20 -99.99 -99.99 
1964 01   .20 -99.99 -99.99 
1964 02 -1.70 -11.10  -6.40 
1964 03  4.90 -99.99 -99.99 
1964 06 18.29 -99.99 -99.99 
1964 08 24.30 -99.99 -99.99 
1964 09 20.70  11.10  15.90 
1964 10 15.80   6.10  10.95 
1964 11  8.60 -99.99 -99.99 
1964 12 99.99  -7.10 -99.99 
1965 01 99.99  -9.80 -99.99 
1965 02 -2.00 -99.99 -99.99 
1965 05 15.80   7.30  11.55 
1965 06 99.99  12.90 -99.99 
1965 07 21.60  16.79  19.20 
1965 08 24.60  17.90  21.25 
1965 09 21.40  12.60  17.00 
1965 12 99.99  -9.60 -99.99 
1966 01 -2.09 -11.20  -6.64 
1966 02   .50  -8.70  -4.10 
1966 03  3.90  -3.10    .40 
1966 05 20.50   8.60  14.55 
1966 06 16.60  10.40  13.50 
1966 07 21.20 -99.99 -99.99 
1966 08 99.99  18.50 -99.99 
1966 09 19.70  11.40  15.55 
1966 10 16.29   8.50  12.40 
1967 01 -1.80 -10.20  -6.00 
1967 02  -.10  -8.80  -4.45 
1967 03  6.30  -2.70   1.80 
1967 05 17.50 -99.99 -99.99 
1967 11  7.90  -1.90   3.00 
1967 12 99.99 -11.10 -99.99 
1968 01 99.99 -10.80 -99.99 
1968 02 -2.30 -10.80  -6.55 
1968 03  6.40  -2.30   2.05 
1968 04 11.70   3.10   7.39 
1968 05 13.30   6.80  10.05 
1968 06 18.20  11.80  15.00 
1968 07 22.90  17.79  20.34 
1968 08 23.60  16.79  20.20 
1968 09 21.10  12.70  16.90 
1968 10 15.00   5.00  10.00 
1968 11  8.60    .10   4.35 
1968 12  3.10  -5.90  -1.40 
1969 01 -3.10 -12.50  -7.80 
1969 02 -3.10 -12.50  -7.80 
1969 03  3.60  -5.60  -1.00 
1969 04 11.60   2.60   7.10 
1969 05 99.99   7.40 -99.99 
1969 06 99.99  11.50 -99.99 
1969 07 99.99  16.29 -99.99 
1969 08 25.40  18.29  21.84 
1969 09 21.40  11.90  16.65 
1969 10 15.20   5.50  10.35 
1969 11  7.40  -2.70   2.34 
1969 12 99.99 -10.50 -99.99 
1970 01 -3.30 -12.70  -8.00 
1970 02 -1.00  -9.60  -5.30 
1970 03   .90  -6.80  -2.95 
1970 04 11.80    .90   6.35 
1970 05 15.90   8.80  12.35 
1970 06 21.50  12.90  17.20 
1970 07 23.30  16.90  20.09 
1970 08 23.90  18.10  21.00 
1970 09 22.30  13.00  17.65 
1970 10 16.10   6.20  11.15 
1970 11  9.20  -2.00   3.60 
1970 12   .40  -9.39  -4.50 
1971 01 -1.10 -10.80  -5.95 
1971 02  -.80  -7.80  -4.30 
1971 03  4.10  -4.40   -.15 
1971 04 11.70   3.20   7.45 
1971 05 15.60   6.70  11.15 
1971 06 17.50  11.90  14.70 
1971 07 22.50  16.60  19.54 
1971 08 23.00  17.40  20.20 
1973 03  4.80  -3.60    .60 
1973 04 12.40   3.30   7.85 
1973 05 16.70 -99.99 -99.99 
1973 06 18.70 -99.99 -99.99 
1973 07 99.99  19.00 -99.99 
1973 08 26.80  19.29  23.05 
1973 09 22.20  13.00  17.60 
1973 10 15.00 -99.99 -99.99 
1973 12 99.99  -9.70 -99.99 
1974 01   . 0  -9.39  -4.69 
1974 02 -1.10 -99.99 -99.99 
1974 03  4.30  -3.80    .25 
1974 04 10.80   3.00   6.90 
1974 05 16.40   8.10  12.25 
1974 06 16.29  10.90  13.60 
1974 07 19.79  16.20  18.00 
1974 08 25.90  19.10  22.50 
1974 09 21.70  13.50  17.60 
1974 10 15.40   5.70  10.54 
1974 11  7.90  -2.00   2.95 
1975 01  -.40 -99.99 -99.99 
1975 02   . 0 -99.99 -99.99 
1975 03  6.30 -99.99 -99.99 
1975 04 12.50   3.50   8.00 
1975 05 17.50 -99.99 -99.99 
1975 06 20.10  14.60  17.35 
1975 07 21.90  17.40  19.65 
1975 08 99.99  19.79 -99.99 
1975 09 22.60  14.30  18.45 
1975 10 17.10   7.30  12.20 
1975 11 10.50    .50   5.50 
1975 12 99.99  -7.40 -99.99 
1976 01  -.10 -99.99 -99.99 
1976 02  2.60 -99.99 -99.99 
1976 03  5.80  -3.00   1.40 
1976 04 12.80   3.10   7.95 
1976 05 19.10   8.50  13.80 
1976 06 19.40  13.70  16.54 
1976 07 23.70  18.00  20.85 
1976 08 24.90  18.20  21.55 
1976 09 20.90  13.00  16.95 
1976 10 15.30   6.50  10.90 
1976 11  4.69 -99.99 -99.99 
1976 12   .50  -7.40  -3.45 
1977 01 -5.10 -99.99 -99.99 
1977 02 -1.80 -10.00  -5.90 
1977 03  3.80  -4.00   -.10 
1977 04 11.40   1.90   6.64 
1977 05 17.00   8.00  12.50 
1977 06 18.10  11.40  14.75 
1977 07 25.90  18.90  22.40 
1977 08 25.30  17.00  21.15 
1977 09 23.10  13.30  18.20 
1977 10 17.40   7.80  12.60 
1977 11  8.60    .70   4.65 
1977 12  3.50 -99.99 -99.99 
1978 01   .30 -99.99 -99.99 
1978 02 -2.30 -11.30  -6.80 
1978 03  6.00  -1.70   2.15 
1978 04 12.60   3.10   7.85 
1978 05 17.40   6.90  12.15 
1978 06 21.20  13.70  17.45 
1978 07 26.00  18.90  22.45 
1978 08 26.70  19.60  23.15 
1978 09 22.90  12.40  17.65 
1978 10 15.30   4.40   9.85 
1978 11 10.80    .80   5.80 
1978 12  3.00  -6.70  -1.84 
1979 01  1.20  -8.89  -3.85 
1979 02   .90  -7.30  -3.20 
1979 03  5.80  -2.50   1.65 
1979 04 10.60   2.60   6.60 
1979 05 16.79   7.90  12.35 
1979 06 20.60  14.40  17.50 
1979 07 23.30  17.90  20.59 
1979 08 25.90  19.00  22.45 
1979 09 21.80  12.80  17.29 
1979 10 18.10   7.90  13.00 
1979 11  8.20  -1.20   3.50 
1979 12  4.90  -5.00    .-4 
1980 01 -1.00 -12.40  -6.70 
1980 02   .60  -8.70  -4.04 
1980 03  6.20  -2.60   1.80 
1980 04 10.50   2.30   6.40 
1980 05 18.40   8.00  13.20 
1980 06 23.20  13.60  18.40 
1980 07 22.10  16.70  19.40 
1980 08 22.80  17.10  19.95 
1980 09 21.20  12.30  16.75 
1980 10 14.70   6.20  10.45 
1980 11 10.60    .70   5.65 
1980 12  2.09  -8.39  -3.15 
1981 01 -1.90 -11.60  -6.75 
1981 02  -.60  -8.60  -4.60 
1981 03  5.50  -3.30   1.10 
1981 04 14.80   3.90   9.35 
1981 05 16.50   7.80  12.15 
1981 06 18.00  12.00  15.00 
1981 07 24.80  18.60  21.70 
1981 08 25.90  18.00  21.95 
1981 09 22.00  12.50  17.25 
1981 10 16.60   5.60  11.10 
1981 11  5.60  -3.70    .94 
1981 12  3.40  -6.40  -1.50 
1982 01 -2.33  -9.78  -6.05 
1982 02   .51  -6.59  -3.04 
1982 03  4.92  -2.38   1.27 
1982 04 11.05   3.99   7.52 
1982 05 14.72   8.52  11.62 
1982 06 21.07  14.81  17.94 
1982 08 24.79  19.64  22.21 
1982 09 21.85  12.87  17.36 
1982 10 16.16   7.24  11.70 
1982 11  8.17   2.50   5.33 
1982 12  1.44  -5.89  -2.22 
1983 01  -.49  -7.67  -4.08 
1983 02 -1.17  -8.37  -4.77 
1983 04 12.57   4.62   8.59 
1983 05 15.50   9.06  12.28 
1983 06 14.73  11.02  12.87 
1983 07 19.62  15.76  17.69 
1983 08 25.11  19.77  22.44 
1983 09 21.50  15.20  18.35 
1983 10 14.86   6.57  10.71 
1983 11  8.21   -.26   3.97 
1983 12  1.60  -6.59  -2.49 
1984 01 -3.03 -10.03  -6.53 
1984 02 -2.50  -9.39  -5.94 
1984 03  1.96  -3.62   -.82 
1984 04  7.57   2.26   4.91 
1984 05 13.33   7.94  10.63 
1984 06 19.33  14.74  17.03 
1984 07 23.14  19.20  21.17 
1984 08 25.89  20.29  23.09 
1984 09 21.60  13.38  17.49 
1984 10 13.77   6.03   9.90 
1984 11  8.47   -.68   3.89 
1984 12 -1.01  -7.44  -4.22 
1985 01 -4.44 -11.39  -7.92 
1985 02  -.29  -5.84  -3.06 
1985 03  3.46  -2.81    .32 
1985 04  9.56   3.23   6.39 
1985 05 16.54   9.14  12.84 
1985 06 17.84  13.44  15.64 
1985 07 24.03  19.52  21.77 
1985 08 25.15  20.56  22.85 
1985 09 22.02  13.88  17.95 
1985 10 15.47   7.82  11.64 
1985 11  6.57   -.61   2.98 
1985 12 -2.33  -9.39  -5.86 
1986 01 -4.92 -12.13  -8.52 
1986 02 -2.08  -9.25  -5.67 
1986 03  4.38  -2.35   1.01 
1986 04  9.97   3.19   6.58 
1986 05 16.12   8.93  12.53 
1986 06 17.09  12.45  14.77 
1986 07 19.29  15.82  17.56 
1986 08 23.49  18.35  20.92 
1986 09 20.12  13.15  16.64 
1986 10 13.54   5.51   9.52 
1986 11  5.96  -1.12   2.42 
1986 12  1.37  -5.50  -2.06 
1987 02  -.44  -6.90  -3.67 
1987 03  3.01  -2.88    . 6 
1987 04 11.18   3.21   7.19 
1987 05 16.66   8.84  12.75 
1987 06 19.85  13.75  16.79 
1987 07 23.20  18.03  20.61 
1987 08 22.26  18.53  20.39 
1987 09 19.82  13.05  16.43 
1987 10 14.64   7.03  10.83 
1987 11  5.32  -1.42   1.95 
1987 12  1.46  -5.48  -2.01 
1988 01  -.21  -7.97  -4.08 
1988 02 -2.02  -8.93  -5.47 
1988 03  3.79  -3.22    .28 
1988 04  9.63   3.09   6.36 
1988 05 14.69   8.57  11.62 
1988 06 19.19  14.60  16.89 
1988 07 20.44  17.54  18.99 
1988 08 25.16  20.42  22.79 
1988 09 20.80  14.44  17.61 
1988 10 15.84   8.35  12.09 
1988 11  7.06   -.36   3.35 
1988 12  1.50  -6.07  -2.28 
1989 02  2.04  -5.59  -1.77 
1989 03  5.61  -1.11   2.25 
1989 04 12.03   5.06   8.54 
1989 05 15.97   8.95  12.46 
1989 06 17.50  12.31  14.90 
1989 08 25.92  19.20  22.56 
1989 09 20.52  13.79  17.15 
1989 10 15.58   7.54  11.56 
1989 11  7.96   1.00   4.48 
1989 12   .45  -5.84  -2.69 
1990 01 -3.56 -11.42  -7.49 
1990 02  1.58  -4.71  -1.56 
1990 03  7.12    .71   3.91 
1990 04 11.04   4.64   7.84 
1990 05 14.17   9.28  11.72 
1990 06 19.14  14.26  16.70 
1990 07 21.11  17.70  19.41 
1990 08 25.38  20.01  22.69 
1990 09 20.89  14.11  17.50 
1990 10 16.53   7.55  12.04 
1990 11  8.89   2.60   5.74 
1990 12  1.86  -5.36  -1.75 
1991 01 -2.01  -9.29  -5.65 
1991 02  -.54  -7.30  -3.92 
1991 03  3.10  -2.23    .43 
1991 05 17.25   9.63  13.44 
1991 07 21.43  18.56  19.99 
1991 08 23.29  18.89  21.09 
1991 09 21.24  14.00  17.61 
1991 10 15.05   6.99  11.02 
1991 11  7.32    .19   3.75 
1992 01   . 1  -7.05  -3.52 
1992 02   .61  -6.53  -2.96 
1992 03  5.57  -1.15   2.21 
1992 04  9.93   4.32   7.13 
1992 05 15.19   9.33  12.26 
1992 06 17.08  12.53  14.80 
1992 07 24.55  19.32  21.93 
1992 08 23.16  18.68  20.92 
1992 09 20.68  13.29  16.98 
1992 10 15.39   6.71  11.05 
1992 11  6.10   -.70   2.70 
1992 12  1.36  -5.18  -1.90 
1993 01  -.93  -7.81  -4.37 
1993 02  1.41  -5.36  -1.97 
1993 03  5.78  -1.24   2.27 
1993 04 10.55   3.67   7.11 
1993 05 13.54   8.53  11.03 
1993 06 15.91  12.28  14.09 
1993 07 20.10  16.94  18.52 
1993 08 21.44  17.50  19.47 
1993 09 21.30  14.77  18.03 
1993 10 14.93   6.49  10.71 
1993 11  6.92    .47   3.69 
1993 12  1.27  -5.46  -2.09 
1994 01 -3.03  -8.93  -5.98 
1994 02  1.29  -6.02  -2.36 
1994 03  3.84  -3.02    .40 
1994 04 11.30   4.58   7.94 
1994 05 18.29   7.80  13.04 
1994 06 20.00  12.40  16.20 
1994 07 26.40  19.70  23.05 
1994 08 27.70  20.80  24.25 
1994 09 23.40  14.10  18.75 
1994 10 16.40   6.50  11.45 
1994 11  9.39   -.10   4.64 
1994 12  2.20 -99.99 -99.99 
1995 01   .50  -8.60  -4.05 
1995 02  2.20  -7.20  -2.50 
1995 03  5.60  -2.90   1.34 
1995 04 12.70   2.50   7.60 
1995 05 16.50   7.50  12.00 
1995 06 18.29  12.10  15.20 
1995 07 25.40  17.70  21.55 
1995 08 25.50  18.90  22.20 
1995 09 23.50  12.60  18.04 
1995 10 16.90   7.40  12.15 
1995 11  9.00 -99.99 -99.99 
1995 12  2.30  -5.80  -1.75 
1996 01   .10 -99.99 -99.99 
1996 02  1.80 -99.99 -99.99 
1996 03  5.50 -99.99 -99.99 
1996 04 13.50   2.00   7.75 
1996 05 16.00   6.20  11.10 
1996 06 19.50  13.00  16.25 
1996 07 21.50  15.50  18.50 
1996 08 25.00 -99.99 -99.99 
1996 09 22.40  13.00  17.70 
1996 10 17.00   6.00  11.50 
1996 11  7.40  -2.70   2.34 
1996 12  3.00  -6.30  -1.65 
1997 01  -.60 -99.99 -99.99 
1997 02  2.40 -99.99 -99.99 
1997 03  7.50  -2.80   2.34 
1997 04 13.30   4.00   8.64 
1997 05 14.60   7.60  11.10 
1997 06 18.70  12.40  15.55 
1997 07 26.70  19.00  22.85 
1997 08 26.00  19.60  22.80 
1997 09 20.90  11.60  16.25 
1997 10 15.00   5.80  10.40 
1997 11 10.30   -.70   4.80 
1997 12  3.00 -99.99 -99.99 
1998 03  8.80    .10   4.45 
1998 04 13.90 -99.99 -99.99 
1998 07 21.50 -99.99 -99.99 
1998 08 23.00  17.70  20.35 
1998 09 22.30  15.40  18.84 
1998 10 18.60   8.00  13.30 
1998 11 99.99   -.90 -99.99 
1998 12  2.40  -5.50  -1.55 
1999 01   .80 -99.99 -99.99 
1999 03  5.20  -3.30    .94 
1999 04 11.40   3.50   7.45 
1999 05 17.79 -99.99 -99.99 
1999 06 22.30 -99.99 -99.99 
1999 07 24.40  18.90  21.65 
1999 08 26.00  19.70  22.85 
1999 09 22.40  15.30  18.85 
1999 10 16.29 -99.99 -99.99 
1999 11 10.00   -.50   4.75 
1999 12  1.70 -99.99 -99.99 
2000 01 -2.40 -99.99 -99.99 
2000 02  -.20  -8.39  -4.29 
2000 03  6.40 -99.99 -99.99 
2000 04 99.99   2.60 -99.99 
2000 05 15.80   7.70  11.75 
2000 06 21.70  13.50  17.60 
2000 07 26.00  19.40  22.70 
2000 10 15.80   5.90  10.85 
2000 11  7.30 -99.99 -99.99 
2000 12  1.60  -6.70  -2.55 
2001 01 -3.00 -99.99 -99.99 
2001 02 -1.30 -10.30  -5.80 
2001 03  4.50  -3.40    .54 
2001 04 13.50   3.00   8.25 
2001 05 16.50   7.60  12.05 
2001 06 21.90  13.90  17.90 
2001 07 25.70  18.90  22.30 
2001 08 25.40  18.50  21.95 
2001 09 23.30  14.10  18.70 
2001 10 17.50   8.30  12.90 
2001 11  9.89   -.40   4.75 
2001 12  1.80  -7.00  -2.60 
2002 01  1.20 -99.99 -99.99 
2002 02  4.60  -5.00   -.20 
2002 03  8.89  -1.10   3.90 
2002 04 99.99   4.30 -99.99 
2002 05 18.10   9.00  13.55 
2002 06 99.99  13.60 -99.99 
2002 08 99.99  17.40 -99.99 
2002 09 22.10  13.40  17.75 
2002 11  3.70  -3.70    . 0 
2002 12   .30  -8.00  -3.85 
2003 01 -1.40 -99.99 -99.99 
2003 02  1.50  -7.40  -2.95 
2003 03  6.10  -2.50   1.80 
2003 04 14.20   4.69   9.45 
2003 05 16.20   9.00  12.60 
2003 06 21.50  14.50  18.00 
2003 07 20.90 -99.99 -99.99 
2003 08 25.20  17.70  21.45 
2003 09 22.60  13.50  18.04 
2003 10 16.40   7.10  11.75 
2003 11  7.90    . 0   3.95 
2003 12  4.19  -4.69   -.25 
2004 03  5.90  -3.00   1.45 
2004 04 13.10   3.90   8.50 
2004 05 16.79   9.20  13.00 
2004 06 23.10  15.10  19.10 
2004 07 24.20  18.50  21.35 
2004 08 26.20  18.79  22.50 
2004 09 22.40  14.20  18.29 
2004 10 17.10   6.10  11.60 
2004 11 10.70   2.76   6.73 
2004 12  2.80  -5.05  -1.12 
2005 01 -1.29  -7.57  -4.43 
2005 02 -2.47  -7.63  -5.05 
2006 03  4.53  -1.69   1.42 
2006 04 10.18   4.10   7.14 
2007 04 11.08   5.78   8.43 
2007 05 15.40  10.25  12.82 
2007 06 21.08  15.35  18.21 
2007 07 21.61  17.78  19.69 
2007 08 24.89  20.65  22.77 
2007 09 21.65  15.70  18.67 
2007 10 16.23   8.66  12.44 
2007 11  8.47   1.27   4.87 
2007 12  2.13  -3.66   -.76 
2008 01 -1.15  -7.56  -4.35 
2008 02  1.20  -5.68  -2.23 
2008 03  7.17   1.28   4.22 
2008 04 12.84   6.29   9.56 
2008 05 15.14  10.20  12.67 
2008 06 19.54  14.24  16.89 
2008 07 24.51  20.49  22.50 
2008 08 24.09  19.62  21.85 
2008 09 22.08  14.94  18.51 
2008 10 17.23   9.58  13.40 
2008 11  8.70    .91   4.80 
2008 12  1.73  -5.28  -1.77 
2009 01 -1.48  -7.54  -4.51 
2009 02  1.55  -4.73  -1.59 
2009 03  4.55  -1.52   1.51 
2009 05 17.70  10.66  14.18 
2009 06 17.74  13.41  15.57 
2009 07 21.30  17.16  19.23 
2009 08 25.19  19.96  22.58 
2009 09 21.21  14.29  17.75 
2009 10 16.71   8.35  12.53 
2009 11  5.23  -1.40   1.91 
2010 01 -1.68  -8.14  -4.91 
2010 02  -.87  -6.06  -3.46 
2010 03  2.08  -3.47   -.69 
2010 04  9.10   3.36   6.23 
2010 05 14.66   8.91  11.78 
2010 06 21.92  16.71  19.32 
2010 07 23.39  20.35  21.87 
2010 08 26.58  21.55  24.06 
2010 09 21.58  15.44  18.51 
2010 10 14.68   7.56  11.12 
2010 11  7.34    .40   3.87 
2010 12  -.24  -5.44  -2.84 
2011 01 -3.60  -9.09  -6.34 
2011 02   . 2  -5.72  -2.85 
2011 03  4.17  -1.92   1.12 
2011 04 10.90   4.15   7.52 
2011 05 12.92   7.01   9.96 
2011 06 19.50  14.39  16.94 
2011 07 21.62  18.35  19.98 
2011 08 24.72  20.10  22.41 
2011 09 21.44  14.00  17.72 
2011 10 16.03   7.43  11.73 
2011 11  8.22    .95   4.58 
2011 12  -.91  -7.16  -4.03 
2012 01 -3.12  -8.82  -5.97 
2012 02 -1.44  -8.60  -5.02 
2012 03  3.86  -2.22    .81 
2012 04 10.14   3.34   6.74 
2012 05 15.03   8.95  11.99 
2012 06 16.51  13.21  14.86 
2012 07 21.78  17.95  19.86 
2012 08 24.14  19.54  21.84 
2012 09 21.18  15.48  18.33 
2012 10 16.09   8.34  12.21 
2012 11  6.60    .39   3.49 
2012 12 -2.43  -8.28  -5.35 
2013 01 -3.13  -9.14  -6.13 
2013 02 -1.85  -7.82  -4.83 
2013 03  3.69  -2.17    .76 
2013 04  8.85   2.71   5.78 
2013 05 13.36   7.72  10.54 
2013 06 18.62  14.41  16.52 
2013 07 23.48  19.95  21.72 
2013 08 25.81  20.45  23.13 
2013 09 20.80  14.40  17.59 
2013 10 15.58   8.09  11.83 
2013 11  8.26   1.35   4.80 
2013 12  1.39  -5.49  -2.05 
