Year Month Max Freq 1950 01 0 0 1950 02 0 0 1950 03 0 0 1950 04 2.49 0.13 1950 05 4.39 0.39 1950 06 5.01 0.47 1950 07 3.87 0.35 1950 08 1.08 0.03 1950 09 0 0 1950 10 0 0 1950 11 0 0 1950 12 0 0 1951 01 0 0 1951 02 0 0 1951 03 0 0 1951 04 3.48 0.17 1951 05 5.43 0.42 1951 06 4.49 0.5 1951 07 3.07 0.35 1951 08 0 0 1951 09 0 0 1951 10 0 0 1951 11 0 0 1951 12 0 0 1952 01 0 0 1952 02 0 0 1952 03 0 0 1952 04 3.05 0.1 1952 05 4.28 0.48 1952 06 5.04 0.5 1952 07 3.74 0.26 1952 08 1.08 0.03 1952 09 0 0 1952 10 0 0 1952 11 0 0 1952 12 0 0 1953 01 0 0 1953 02 0 0 1953 03 0 0 1953 04 0 0 1953 05 4.04 0.42 1953 06 4.84 0.5 1953 07 3.9 0.32 1953 08 1.75 0.06 1953 09 0 0 1953 10 0 0 1953 11 0 0 1953 12 0 0 1954 01 0 0 1954 02 0 0 1954 03 0 0 1954 04 2.6 0.13 1954 05 4.31 0.45 1954 06 4.37 0.47 1954 07 3.23 0.35 1954 08 0 0 1954 09 0 0 1954 10 0 0 1954 11 0 0 1954 12 0 0 1955 01 0 0 1955 02 0 0 1955 03 0 0 1955 04 3.39 0.17 1955 05 4.88 0.42 1955 06 4.02 0.47 1955 07 2.8 0.29 1955 08 1.08 0.03 1955 09 0 0 1955 10 0 0 1955 11 0 0 1955 12 0 0 1956 01 0 0 1956 02 0 0 1956 03 0 0 1956 04 2.37 0.07 1956 05 4.12 0.45 1956 06 4.61 0.47 1956 07 3.43 0.29 1956 08 1.4 0.06 1956 09 0 0 1956 10 0 0 1956 11 0 0 1956 12 0 0 1957 01 0 0 1957 02 0 0 1957 03 0 0 1957 04 0 0 1957 05 3.82 0.35 1957 06 4.68 0.47 1957 07 3.93 0.32 1957 08 2.02 0.1 1957 09 0 0 1957 10 0 0 1957 11 0 0 1957 12 0 0 1958 01 0 0 1958 02 0 0 1958 03 0 0 1958 04 2.64 0.13 1958 05 4.32 0.39 1958 06 4.12 0.47 1958 07 3.12 0.32 1958 08 1.35 0.06 1958 09 0 0 1958 10 0 0 1958 11 0 0 1958 12 0 0 1959 01 0 0 1959 02 0 0 1959 03 0 0 1959 04 3.35 0.13 1959 05 4.84 0.42 1959 06 4.03 0.47 1959 07 3.28 0.32 1959 08 1.74 0.1 1959 09 0 0 1959 10 0 0 1959 11 0 0 1959 12 0 0 1960 01 0 0 1960 02 0 0 1960 03 0 0 1960 04 1.89 0.03 1960 05 4.13 0.45 1960 06 4.96 0.47 1960 07 3.88 0.35 1960 08 1.74 0.13 1960 09 0 0 1960 10 0 0 1960 11 0 0 1960 12 0 0 1961 01 0 0 1961 02 0 0 1961 03 0 0 1961 04 1.6 0.03 1961 05 3.98 0.35 1961 06 5.22 0.47 1961 07 4.49 0.35 1961 08 2.41 0.16 1961 09 0 0 1961 10 0 0 1961 11 0 0 1961 12 0 0 1962 01 0 0 1962 02 0 0 1962 03 0 0 1962 04 2.88 0.17 1962 05 4.88 0.39 1962 06 4.84 0.5 1962 07 3.37 0.35 1962 08 1.6 0.1 1962 09 0 0 1962 10 0 0 1962 11 0 0 1962 12 0 0 1963 01 0 0 1963 02 0 0 1963 03 0 0 1963 04 3.58 0.13 1963 05 4.95 0.45 1963 06 4.6 0.47 1963 07 3.87 0.35 1963 08 2.01 0.13 1963 09 0 0 1963 10 0 0 1963 11 0 0 1963 12 0 0 1964 01 0 0 1964 02 0 0 1964 03 0 0 1964 04 0 0 1964 05 4.45 0.45 1964 06 5.2 0.5 1964 07 3.95 0.39 1964 08 1.93 0.16 1964 09 0 0 1964 10 0 0 1964 11 0 0 1964 12 0 0 1965 01 0 0 1965 02 0 0 1965 03 0 0 1965 04 2.12 0.07 1965 05 4.35 0.39 1965 06 5.48 0.47 1965 07 4.85 0.35 1965 08 2.34 0.13 1965 09 0 0 1965 10 0 0 1965 11 0 0 1965 12 0 0 1966 01 0 0 1966 02 0 0 1966 03 0 0 1966 04 3.07 0.13 1966 05 5.21 0.35 1966 06 5.05 0.47 1966 07 3.32 0.39 1966 08 1.28 0.06 1966 09 0 0 1966 10 0 0 1966 11 0 0 1966 12 0 0 1967 01 0 0 1967 02 0 0 1967 03 0 0 1967 04 3.78 0.1 1967 05 4.7 0.42 1967 06 4.79 0.5 1967 07 3.9 0.32 1967 08 1.56 0.06 1967 09 0 0 1967 10 0 0 1967 11 0 0 1967 12 0 0 1968 01 0 0 1968 02 0 0 1968 03 0 0 1968 04 0 0 1968 05 4.23 0.42 1968 06 4.71 0.5 1968 07 3.76 0.39 1968 08 1.6 0.06 1968 09 0 0 1968 10 0 0 1968 11 0 0 1968 12 0 0 1969 01 0 0 1969 02 0 0 1969 03 0 0 1969 04 2.38 0.1 1969 05 4.29 0.42 1969 06 5.43 0.5 1969 07 4.29 0.29 1969 08 1.74 0.1 1969 09 0 0 1969 10 0 0 1969 11 0 0 1969 12 0 0 1970 01 0 0 1970 02 0 0 1970 03 0 0 1970 04 3.26 0.2 1970 05 5.29 0.42 1970 06 4.54 0.47 1970 07 2.89 0.35 1970 08 0 0 1970 09 0 0 1970 10 0 0 1970 11 0 0 1970 12 0 0 1971 01 0 0 1971 02 0 0 1971 03 0 0 1971 04 3.5 0.07 1971 05 4.2 0.45 1971 06 4.59 0.5 1971 07 3.49 0.23 1971 08 1.17 0.03 1971 09 0 0 1971 10 0 0 1971 11 0 0 1971 12 0 0 1972 01 0 0 1972 02 0 0 1972 03 0 0 1972 04 0 0 1972 05 4.32 0.39 1972 06 4.19 0.5 1972 07 3.4 0.32 1972 08 1.55 0.06 1972 09 0 0 1972 10 0 0 1972 11 0 0 1972 12 0 0 1973 01 0 0 1973 02 0 0 1973 03 0 0 1973 04 2.37 0.13 1973 05 4.19 0.39 1973 06 4.89 0.47 1973 07 3.68 0.29 1973 08 1.23 0.03 1973 09 0 0 1973 10 0 0 1973 11 0 0 1973 12 0 0 1974 01 0 0 1974 02 0 0 1974 03 0 0 1974 04 3.28 0.17 1974 05 5 0.39 1974 06 4.17 0.43 1974 07 2.6 0.32 1974 08 0 0 1974 09 0 0 1974 10 0 0 1974 11 0 0 1974 12 0 0 1975 01 0 0 1975 02 0 0 1975 03 0 0 1975 04 2.63 0.03 1975 05 3.8 0.42 1975 06 4.45 0.47 1975 07 3.47 0.32 1975 08 1.59 0.06 1975 09 0 0 1975 10 0 0 1975 11 0 0 1975 12 0 0 1976 01 0 0 1976 02 0 0 1976 03 0 0 1976 04 0 0 1976 05 4.45 0.32 1976 06 4.2 0.5 1976 07 3.53 0.35 1976 08 1.89 0.13 1976 09 0 0 1976 10 0 0 1976 11 0 0 1976 12 0 0 1977 01 0 0 1977 02 0 0 1977 03 0 0 1977 04 2.34 0.17 1977 05 4.01 0.39 1977 06 4.63 0.47 1977 07 3.66 0.32 1977 08 1.64 0.06 1977 09 0 0 1977 10 0 0 1977 11 0 0 1977 12 0 0 1978 01 0 0 1978 02 0 0 1978 03 0 0 1978 04 3.33 0.13 1978 05 5.11 0.39 1978 06 4.54 0.47 1978 07 2.94 0.29 1978 08 1.44 0.06 1978 09 0 0 1978 10 0 0 1978 11 0 0 1978 12 0 0 1979 01 0 0 1979 02 0 0 1979 03 0 0 1979 04 0 0 1979 05 4.09 0.42 1979 06 4.84 0.47 1979 07 4.09 0.35 1979 08 2.03 0.16 1979 09 0 0 1979 10 0 0 1979 11 0 0 1979 12 0 0 1980 01 0 0 1980 02 0 0 1980 03 0 0 1980 04 2.01 0.03 1980 05 4.43 0.35 1980 06 4.7 0.5 1980 07 4.34 0.39 1980 08 2.42 0.16 1980 09 0 0 1980 10 0 0 1980 11 0 0 1980 12 0 0 1981 01 0 0 1981 02 0 0 1981 03 0 0 1981 04 2.47 0.17 1981 05 4.28 0.39 1981 06 4.95 0.47 1981 07 3.94 0.35 1981 08 1.81 0.13 1981 09 0 0 1981 10 0 0 1981 11 0 0 1981 12 0 0 1982 01 0 0 1982 02 0 0 1982 03 0 0 1982 04 3.92 0.13 1982 05 5.5 0.45 1982 06 5.01 0.5 1982 07 3.34 0.35 1982 08 1.67 0.1 1982 09 0 0 1982 10 0 0 1982 11 0 0 1982 12 0 0 1983 01 0 0 1983 02 0 0 1983 03 0 0 1983 04 0 0 1983 05 4.67 0.48 1983 06 5.43 0.5 1983 07 4.27 0.35 1983 08 1.87 0.13 1983 09 0 0 1983 10 0 0 1983 11 0 0 1983 12 0 0 1984 01 0 0 1984 02 0 0 1984 03 0 0 1984 04 2.5 0.07 1984 05 4.41 0.35 1984 06 5.23 0.5 1984 07 4.72 0.39 1984 08 2.33 0.13 1984 09 0 0 1984 10 0 0 1984 11 0 0 1984 12 0 0 1985 01 0 0 1985 02 0 0 1985 03 0 0 1985 04 2.64 0.13 1985 05 4.64 0.45 1985 06 4.8 0.47 1985 07 3.72 0.39 1985 08 1.38 0.06 1985 09 0 0 1985 10 0 0 1985 11 0 0 1985 12 0 0 1986 01 0 0 1986 02 0 0 1986 03 0 0 1986 04 4.21 0.1 1986 05 5.42 0.45 1986 06 4.62 0.5 1986 07 3.35 0.32 1986 08 1.31 0.06 1986 09 0 0 1986 10 0 0 1986 11 0 0 1986 12 0 0 1987 01 0 0 1987 02 0 0 1987 03 0 0 1987 04 0 0 1987 05 5.22 0.42 1987 06 5.05 0.47 1987 07 3.91 0.35 1987 08 1.25 0.06 1987 09 0 0 1987 10 0 0 1987 11 0 0 1987 12 0 0 1988 01 0 0 1988 02 0 0 1988 03 0 0 1988 04 2.68 0.1 1988 05 4.17 0.39 1988 06 5.15 0.47 1988 07 4.23 0.29 1988 08 1.84 0.1 1988 09 0 0 1988 10 0 0 1988 11 0 0 1988 12 0 0 1989 01 0 0 1989 02 0 0 1989 03 0 0 1989 04 2.83 0.2 1989 05 4.67 0.42 1989 06 4.23 0.47 1989 07 3.12 0.29 1989 08 0 0 1989 09 0 0 1989 10 0 0 1989 11 0 0 1989 12 0 0 1990 01 0 0 1990 02 0 0 1990 03 0 0 1990 04 4.06 0.07 1990 05 5.01 0.45 1990 06 3.94 0.47 1990 07 2.97 0.29 1990 08 0 0 1990 09 0 0 1990 10 0 0 1990 11 0 0 1990 12 0 0 1991 01 0 0 1991 02 0 0 1991 03 0 0 1991 04 0 0 1991 05 5.26 0.39 1991 06 4.49 0.5 1991 07 3.04 0.35 1991 08 1.13 0.03 1991 09 0 0 1991 10 0 0 1991 11 0 0 1991 12 0 0 1992 01 0 0 1992 02 0 0 1992 03 0 0 1992 04 2.52 0.13 1992 05 3.98 0.45 1992 06 4.87 0.5 1992 07 3.84 0.26 1992 08 1.68 0.06 1992 09 0 0 1992 10 0 0 1992 11 0 0 1992 12 0 0 1993 01 0 0 1993 02 0 0 1993 03 0 0 1993 04 2.92 0.17 1993 05 4.56 0.42 1993 06 3.92 0.43 1993 07 2.76 0.29 1993 08 0 0 1993 09 0 0 1993 10 0 0 1993 11 0 0 1993 12 0 0 1994 01 0 0 1994 02 0 0 1994 03 0 0 1994 04 3.2 0.07 1994 05 4.52 0.45 1994 06 3.69 0.47 1994 07 3.1 0.32 1994 08 1.51 0.06 1994 09 0 0 1994 10 0 0 1994 11 0 0 1994 12 0 0 1995 01 0 0 1995 02 0 0 1995 03 0 0 1995 04 0 0 1995 05 4.95 0.35 1995 06 4.49 0.43 1995 07 3.07 0.39 1995 08 1.65 0.16 1995 09 0 0 1995 10 0 0 1995 11 0 0 1995 12 0 0 1996 01 0 0 1996 02 0 0 1996 03 0 0 1996 04 2.38 0.17 1996 05 4.08 0.42 1996 06 4.95 0.47 1996 07 4.03 0.29 1996 08 2.01 0.13 1996 09 0 0 1996 10 0 0 1996 11 0 0 1996 12 0 0 1997 01 0 0 1997 02 0 0 1997 03 0 0 1997 04 3.4 0.13 1997 05 4.83 0.39 1997 06 4.58 0.47 1997 07 3 0.32 1997 08 1.33 0.06 1997 09 0 0 1997 10 0 0 1997 11 0 0 1997 12 0 0 1998 01 0 0 1998 02 0 0 1998 03 0 0 1998 04 2.68 0.03 1998 05 4.46 0.42 1998 06 4.51 0.43 1998 07 3.69 0.39 1998 08 1.95 0.13 1998 09 0 0 1998 10 0 0 1998 11 0 0 1998 12 0 0 1999 01 0 0 1999 02 0 0 1999 03 0 0 1999 04 2.09 0.03 1999 05 5.21 0.35 1999 06 4.65 0.47 1999 07 3.85 0.35 1999 08 2.1 0.16 1999 09 0 0 1999 10 0 0 1999 11 0 0 1999 12 0 0 2000 01 0 0 2000 02 0 0 2000 03 0 0 2000 04 2.4 0.17 2000 05 4.26 0.42 2000 06 5.45 0.47 2000 07 4.49 0.32 2000 08 2.19 0.1 2000 09 0 0 2000 10 0 0 2000 11 0 0 2000 12 0 0 2001 01 0 0 2001 02 0 0 2001 03 0 0 2001 04 3.93 0.1 2001 05 5.4 0.45 2001 06 5.13 0.47 2001 07 3.21 0.35 2001 08 1.34 0.06 2001 09 0 0 2001 10 0 0 2001 11 0 0 2001 12 0 0 2002 01 0 0 2002 02 0 0 2002 03 0 0 2002 04 0 0 2002 05 4.55 0.45 2002 06 5.04 0.5 2002 07 4.09 0.35 2002 08 1.89 0.1 2002 09 0 0 2002 10 0 0 2002 11 0 0 2002 12 0 0 2003 01 0 0 2003 02 0 0 2003 03 0 0 2003 04 2.67 0.07 2003 05 5.17 0.39 2003 06 4.74 0.47 2003 07 3.92 0.39 2003 08 1.98 0.13 2003 09 0 0 2003 10 0 0 2003 11 0 0 2003 12 0 0 2004 01 0 0 2004 02 0 0 2004 03 0 0 2004 04 2.42 0.2 2004 05 4.46 0.39 2004 06 5.38 0.5 2004 07 4.24 0.32 2004 08 1.72 0.06 2004 09 0 0 2004 10 0 0 2004 11 0 0 2004 12 0 0 2005 01 0 0 2005 02 0 0 2005 03 0 0 2005 04 4.18 0.1 2005 05 5.43 0.45 2005 06 4.9 0.5 2005 07 3.04 0.32 2005 08 0 0 2005 09 0 0 2005 10 0 0 2005 11 0 0 2005 12 0 0 2006 01 0 0 2006 02 0 0 2006 03 0 0 2006 04 0 0 2006 05 5 0.45 2006 06 4.91 0.5 2006 07 3.74 0.32 2006 08 1.34 0.06 2006 09 0 0 2006 10 0 0 2006 11 0 0 2006 12 0 0 2007 01 0 0 2007 02 0 0 2007 03 0 0 2007 04 3.03 0.07 2007 05 4.81 0.42 2007 06 4.52 0.5 2007 07 3.71 0.29 2007 08 1.51 0.06 2007 09 0 0 2007 10 0 0 2007 11 0 0 2007 12 0 0 2008 01 0 0 2008 02 0 0 2008 03 0 0 2008 04 2.48 0.2 2008 05 4.18 0.39 2008 06 4.7 0.47 2008 07 3.63 0.32 2008 08 0 0 2008 09 0 0 2008 10 0 0 2008 11 0 0 2008 12 0 0 2009 01 0 0 2009 02 0 0 2009 03 0 0 2009 04 4.03 0.07 2009 05 5.24 0.45 2009 06 4.28 0.5 2009 07 2.55 0.32 2009 08 0 0 2009 09 0 0 2009 10 0 0 2009 11 0 0 2009 12 0 0 2010 01 0 0 2010 02 0 0 2010 03 0 0 2010 04 0 0 2010 05 4.94 0.42 2010 06 4.4 0.5 2010 07 3 0.32 2010 08 1.18 0.03 2010 09 0 0 2010 10 0 0 2010 11 0 0 2010 12 0 0 2011 01 0 0 2011 02 0 0 2011 03 0 0 2011 04 3.05 0.1 2011 05 4.16 0.42 2011 06 4.2 0.5 2011 07 3.52 0.29 2011 08 1.66 0.1 2011 09 0 0 2011 10 0 0 2011 11 0 0 2011 12 0 0 2012 01 0 0 2012 02 0 0 2012 03 0 0 2012 04 2.9 0.17 2012 05 3.94 0.39 2012 06 4.23 0.47 2012 07 3.23 0.29 2012 08 1.02 0.03 2012 09 0 0 2012 10 0 0 2012 11 0 0 2012 12 0 0 2013 01 0 0 2013 02 0 0 2013 03 0 0 2013 04 3.25 0.07 2013 05 4.99 0.42 2013 06 4.06 0.47 2013 07 2.67 0.35 2013 08 1.19 0.03 2013 09 0 0 2013 10 0 0 2013 11 0 0 2013 12 0 0 2014 01 0 0 2014 02 0 0 2014 03 0 0 2014 04 0 0 2014 05 4.95 0.35 2014 06 4.69 0.47 2014 07 2.94 0.35 2014 08 1.64 0.13 2014 09 0 0 2014 10 0 0 2014 11 0 0 2014 12 0 0 2015 01 0 0 2015 02 0 0 2015 03 0 0 2015 04 2.82 0.13 2015 05 3.92 0.39 2015 06 4.68 0.5 2015 07 3.95 0.32 2015 08 2.11 0.13 2015 09 0 0 2015 10 0 0 2015 11 0 0 2015 12 0 0 2016 01 0 0 2016 02 0 0 2016 03 0 0 2016 04 3.18 0.13 2016 05 4.3 0.45 2016 06 4.43 0.43 2016 07 3.42 0.35 2016 08 1.47 0.06 2016 09 0 0 2016 10 0 0 2016 11 0 0 2016 12 0 0 2017 01 0 0 2017 02 0 0 2017 03 0 0 2017 04 2.87 0.03 2017 05 5.07 0.45 2017 06 4.48 0.5 2017 07 3.23 0.42 2017 08 1.66 0.06 2017 09 0 0 2017 10 0 0 2017 11 0 0 2017 12 0 0 2018 01 0 0 2018 02 0 0 2018 03 0 0 2018 04 3.09 0.07 2018 05 5.31 0.35 2018 06 5.09 0.5 2018 07 3.33 0.35 2018 08 1.81 0.19 2018 09 0 0 2018 10 0 0 2018 11 0 0 2018 12 0 0 2019 01 0 0 2019 02 0 0 2019 03 0 0 2019 04 2.71 0.17 2019 05 4.17 0.42 2019 06 5.21 0.47 2019 07 4.6 0.35 2019 08 2.37 0.1 2019 09 0 0 2019 10 0 0 2019 11 0 0 2019 12 0 0