01/1950 1.09 02/1950 1.13 03/1950 1.14 04/1950 1.16 05/1950 1.17 06/1950 1.17 07/1950 1.17 08/1950 1.21 09/1950 1.31 10/1950 1.33 11/1950 1.36 12/1950 1.37 01/1951 1.39 02/1951 1.39 03/1951 1.42 04/1951 1.52 05/1951 1.58 06/1951 1.50 07/1951 1.59 08/1951 1.64 09/1951 1.65 10/1951 1.61 11/1951 1.61 12/1951 1.73 01/1952 1.69 02/1952 1.57 03/1952 1.66 04/1952 1.62 05/1952 1.71 06/1952 1.70 07/1952 1.82 08/1952 1.88 09/1952 1.79 10/1952 1.78 11/1952 1.86 12/1952 2.13 01/1953 2.04 02/1953 2.02 03/1953 2.08 04/1953 2.18 05/1953 2.20 06/1953 2.23 07/1953 2.10 08/1953 2.09 09/1953 1.88 10/1953 1.40 11/1953 1.43 12/1953 1.63 01/1954 1.21 02/1954 0.98 03/1954 1.05 04/1954 1.01 05/1954 0.78 06/1954 0.65 07/1954 0.71 08/1954 0.89 09/1954 1.01 10/1954 0.99 11/1954 0.95 12/1954 1.17 01/1955 1.26 02/1955 1.18 03/1955 1.33 04/1955 1.62 05/1955 1.49 06/1955 1.43 07/1955 1.62 08/1955 1.88 09/1955 2.09 10/1955 2.26 11/1955 2.22 12/1955 2.56 01/1956 2.46 02/1956 2.37 03/1956 2.31 04/1956 2.61 05/1956 2.65 06/1956 2.53 07/1956 2.33 08/1956 2.61 09/1956 2.85 10/1956 2.96 11/1956 3.00 12/1956 3.23 01/1957 3.21 02/1957 3.16 03/1957 3.14 04/1957 3.11 05/1957 3.04 06/1957 3.32 07/1957 3.16 08/1957 3.40 09/1957 3.58 10/1957 3.59 11/1957 3.34 12/1957 3.10 01/1958 2.60 02/1958 1.56 03/1958 1.35 04/1958 1.13 05/1958 1.05 06/1958 0.88 07/1958 0.96 08/1958 1.69 09/1958 2.48 10/1958 2.79 11/1958 2.76 12/1958 2.81 01/1959 2.84 02/1959 2.71 03/1959 2.85 04/1959 2.96 05/1959 2.85 06/1959 3.25 07/1959 3.24 08/1959 3.36 09/1959 4.00 10/1959 4.12 11/1959 4.21 12/1959 4.57 01/1960 4.44 02/1960 3.96 03/1960 3.44 04/1960 3.25 05/1960 3.39 06/1960 2.64 07/1960 2.40 08/1960 2.29 09/1960 2.49 10/1960 2.43 11/1960 2.39 12/1960 2.27 01/1961 2.30 02/1961 2.41 03/1961 2.42 04/1961 2.33 05/1961 2.29 06/1961 2.36 07/1961 2.27 08/1961 2.40 09/1961 2.30 10/1961 2.35 11/1961 2.46 12/1961 2.62 01/1962 2.75 02/1962 2.76 03/1962 2.72 04/1962 2.74 05/1962 2.70 06/1962 2.72 07/1962 2.94 08/1962 2.84 09/1962 2.79 10/1962 2.75 11/1962 2.80 12/1962 2.86 01/1963 2.91 02/1963 2.92 03/1963 2.90 04/1963 2.91 05/1963 2.92 06/1963 3.00 07/1963 3.14 08/1963 3.32 09/1963 3.38 10/1963 3.45 11/1963 3.52 12/1963 3.52 01/1964 3.53 02/1964 3.53 03/1964 3.55 04/1964 3.48 05/1964 3.48 06/1964 3.48 07/1964 3.48 08/1964 3.51 09/1964 3.53 10/1964 3.58 11/1964 3.62 12/1964 3.86 01/1965 3.83 02/1965 3.93 03/1965 3.94 04/1965 3.93 05/1965 3.90 06/1965 3.81 07/1965 3.83 08/1965 3.84 09/1965 3.91 10/1965 4.03 11/1965 4.08 12/1965 4.36 01/1966 4.60 02/1966 4.67 03/1966 4.63 04/1966 4.61 05/1966 4.64 06/1966 4.54 07/1966 4.86 08/1966 4.93 09/1966 5.36 10/1966 5.39 11/1966 5.34 12/1966 5.01 01/1967 4.76 02/1967 4.56 03/1967 4.29 04/1967 3.86 05/1967 3.64 06/1967 3.48 07/1967 4.31 08/1967 4.27 09/1967 4.45 10/1967 4.59 11/1967 4.76 12/1967 5.01 01/1968 5.08 02/1968 4.97 03/1968 5.15 04/1968 5.37 05/1968 5.62 06/1968 5.55 07/1968 5.38 08/1968 5.09 09/1968 5.20 10/1968 5.34 11/1968 5.49 12/1968 5.92 01/1969 6.18 02/1969 6.16 03/1969 6.08 04/1969 6.16 05/1969 6.08 06/1969 6.49 07/1969 7.01 08/1969 7.01 09/1969 7.13 10/1969 7.04 11/1969 7.20 12/1969 7.72 01/1970 7.92 02/1970 7.16 03/1970 6.71 04/1970 6.48 05/1970 7.03 06/1970 6.74 07/1970 6.47 08/1970 6.41 09/1970 6.24 10/1970 5.93 11/1970 5.29 12/1970 4.86 01/1971 4.49 02/1971 3.78 03/1971 3.33 04/1971 3.78 05/1971 4.14 06/1971 4.70 07/1971 5.41 08/1971 5.08 09/1971 4.67 10/1971 4.49 11/1971 4.19 12/1971 4.02 01/1972 3.41 02/1972 3.18 03/1972 3.72 04/1972 3.72 05/1972 3.65 06/1972 3.87 07/1972 4.06 08/1972 4.01 09/1972 4.65 10/1972 4.72 11/1972 4.78 12/1972 5.06 01/1973 5.31 02/1973 5.56 03/1973 6.05 04/1973 6.29 05/1973 6.35 06/1973 7.19 07/1973 8.02 08/1973 8.67 09/1973 8.48 10/1973 7.16 11/1973 7.87 12/1973 7.37 01/1974 7.76 02/1974 7.06 03/1974 7.99 04/1974 8.23 05/1974 8.43 06/1974 8.15 07/1974 7.75 08/1974 8.75 09/1974 8.37 10/1974 7.24 11/1974 7.59 12/1974 7.18 01/1975 6.49 02/1975 5.59 03/1975 5.55 04/1975 5.69 05/1975 5.32 06/1975 5.20 07/1975 6.17 08/1975 6.46 09/1975 6.38 10/1975 6.08 11/1975 5.47 12/1975 5.50 01/1976 4.96 02/1976 4.85 03/1976 5.05 04/1976 4.88 05/1976 5.19 06/1976 5.45 07/1976 5.28 08/1976 5.15 09/1976 5.08 10/1976 4.93 11/1976 4.81 12/1976 4.36 01/1977 4.60 02/1977 4.66 03/1977 4.61 04/1977 4.54 05/1977 4.94 06/1977 5.00 07/1977 5.14 08/1977 5.50 09/1977 5.77 10/1977 6.19 11/1977 6.16 12/1977 6.06 01/1978 6.45 02/1978 6.46 03/1978 6.32 04/1978 6.31 05/1978 6.43 06/1978 6.71 07/1978 7.08 08/1978 7.04 09/1978 7.84 10/1978 8.13 11/1978 8.79 12/1978 9.12 01/1979 9.35 02/1979 9.27 03/1979 9.46 04/1979 9.49 05/1979 9.58 06/1979 9.05 07/1979 9.27 08/1979 9.45 09/1979 10.18 10/1979 11.47 11/1979 11.87 12/1979 12.07 01/1980 12.04 02/1980 12.82 03/1980 15.53 04/1980 14.00 05/1980 9.15 06/1980 7.00 07/1980 8.13 08/1980 9.26 09/1980 10.32 10/1980 11.58 11/1980 13.89 12/1980 15.66 01/1981 14.73 02/1981 14.91 03/1981 13.48 04/1981 13.63 05/1981 16.29 06/1981 14.56 07/1981 14.70 08/1981 15.61 09/1981 14.95 10/1981 13.87 11/1981 11.27 12/1981 10.93 01/1982 12.41 02/1982 13.78 03/1982 12.49 04/1982 12.82 05/1982 12.15 06/1982 12.11 07/1982 11.92 08/1982 9.01 09/1982 8.20 10/1982 7.75 11/1982 8.04 12/1982 8.02 01/1983 7.81 02/1983 8.13 03/1983 8.30 04/1983 8.25 05/1983 8.19 06/1983 8.82 07/1983 9.12 08/1983 9.39 09/1983 9.05 10/1983 8.71 11/1983 8.71 12/1983 8.96 01/1984 8.93 02/1984 9.03 03/1984 9.08 04/1984 9.69 05/1984 9.90 06/1984 9.94 07/1984 10.13 08/1984 10.49 09/1984 10.41 10/1984 9.97 11/1984 8.79 12/1984 8.16 01/1985 7.76 02/1985 8.17 03/1985 8.57 04/1985 8.00 05/1985 7.56 06/1985 7.01 07/1985 7.05 08/1985 7.18 09/1985 7.08 10/1985 7.17 11/1985 7.20 12/1985 7.07 01/1986 7.04 02/1986 7.03 03/1986 6.59 04/1986 6.06 05/1986 6.12 06/1986 6.21 07/1986 5.84 08/1986 5.57 09/1986 5.19 10/1986 5.18 11/1986 5.35 12/1986 5.49 01/1987 5.45 02/1987 5.59 03/1987 5.56 04/1987 5.76 05/1987 5.75 06/1987 5.69 07/1987 5.78 08/1987 6.00 09/1987 6.32 10/1987 6.40 11/1987 5.81 12/1987 5.80 01/1988 5.90 02/1988 5.69 03/1988 5.69 04/1988 5.92 05/1988 6.27 06/1988 6.50 07/1988 6.73 08/1988 7.02 09/1988 7.23 10/1988 7.34 11/1988 7.68 12/1988 8.09 01/1989 8.29 02/1989 8.48 03/1989 8.83 04/1989 8.70 05/1989 8.40 06/1989 8.22 07/1989 7.92 08/1989 7.91 09/1989 7.72 10/1989 7.63 11/1989 7.65 12/1989 7.64 01/1990 7.64 02/1990 7.76 03/1990 7.87 04/1990 7.78 05/1990 7.78 06/1990 7.74 07/1990 7.66 08/1990 7.44 09/1990 7.38 10/1990 7.19 11/1990 7.07 12/1990 6.81 01/1991 6.30 02/1991 5.95 03/1991 5.91 04/1991 5.67 05/1991 5.51 06/1991 5.60 07/1991 5.58 08/1991 5.39 09/1991 5.25 10/1991 5.03 11/1991 4.60 12/1991 4.12 01/1992 3.84 02/1992 3.84 03/1992 4.05 04/1992 3.81 05/1992 3.66 06/1992 3.70 07/1992 3.28 08/1992 3.14 09/1992 2.97 10/1992 2.84 11/1992 3.14 12/1992 3.25 01/1993 3.06 02/1993 2.95 03/1993 2.97 04/1993 2.89 05/1993 2.96 06/1993 3.10 07/1993 3.05 08/1993 3.05 09/1993 2.96 10/1993 3.04 11/1993 3.12 12/1993 3.08 01/1994 3.02 02/1994 3.21 03/1994 3.52 04/1994 3.74 05/1994 4.19 06/1994 4.18 07/1994 4.39 08/1994 4.50 09/1994 4.64 10/1994 4.96 11/1994 5.25 12/1994 5.64 01/1995 5.81 02/1995 5.80 03/1995 5.73 04/1995 5.67 05/1995 5.70 06/1995 5.50 07/1995 5.47 08/1995 5.41 09/1995 5.26 10/1995 5.30 11/1995 5.35 12/1995 5.16 01/1996 5.02 02/1996 4.87 03/1996 4.96 04/1996 4.99 05/1996 5.02 06/1996 5.11 07/1996 5.17 08/1996 5.09 09/1996 5.15 10/1996 5.01 11/1996 5.03 12/1996 4.87 01/1997 5.05 02/1997 5.00 03/1997 5.14 04/1997 5.17 05/1997 5.13 06/1997 4.92 07/1997 5.07 08/1997 5.13 09/1997 4.97 10/1997 4.95 11/1997 5.15 12/1997 5.16 01/1998 5.09 02/1998 5.11 03/1998 5.03 04/1998 5.00 05/1998 5.03 06/1998 4.99 07/1998 4.96 08/1998 4.94 09/1998 4.74 10/1998 4.08 11/1998 4.44 12/1998 4.42 01/1999 4.34 02/1999 4.45 03/1999 4.48 04/1999 4.28 05/1999 4.51 06/1999 4.59 07/1999 4.60 08/1999 4.76 09/1999 4.73 10/1999 4.88 11/1999 5.07 12/1999 5.23 01/2000 5.34 02/2000 5.57 03/2000 5.72 04/2000 5.67 05/2000 5.92 06/2000 5.74