Choose from the options below and click "Plot" to create a time series graph.
Data are available from January 1895 through April 2013.
Move mouse towards an axis until highlighted. Left-click mouse to pan. Shift key + left-click to zoom.
| 1895 | 1896 | 1897 | 1898 | 1899 | 1900 | 1901 | 1902 | 1903 | 1904 | 1905 | 1906 | 1907 | 1908 | 1909 | 1910 | 1911 | 1912 | 1913 | 1914 | 1915 | 1916 | 1917 | 1918 | 1919 | 1920 | 1921 | 1922 | 1923 | 1924 | 1925 | 1926 | 1927 | 1928 | 1929 | 1930 | 1931 | 1932 | 1933 | 1934 | 1935 | 1936 | 1937 | 1938 | 1939 | 1940 | 1941 | 1942 | 1943 | 1944 | 1945 | 1946 | 1947 | 1948 | 1949 | 1950 | 1951 | 1952 | 1953 | 1954 | 1955 | 1956 | 1957 | 1958 | 1959 | 1960 | 1961 | 1962 | 1963 | 1964 | 1965 | 1966 | 1967 | 1968 | 1969 | 1970 | 1971 | 1972 | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9.24" | 11.38" | 9.58" | 9.64" | 12.17" | 13.76" | 15.69" | 11.45" | 14.46" | 11.43" | 17.47" | 16.77" | 13.15" | 14.75" | 14.79" | 9.05" | 11.72" | 11.70" | 11.22" | 14.29" | 18.49" | 13.16" | 8.79" | 12.27" | 11.20" | 13.87" | 12.95" | 11.77" | 16.37" | 11.58" | 10.63" | 12.62" | 13.25" | 12.42" | 12.37" | 10.97" | 10.13" | 13.34" | 10.17" | 10.05" | 9.70" | 6.35" | 12.15" | 11.86" | 12.33" | 9.31" | 15.76" | 17.62" | 14.16" | 17.90" | 12.92" | 19.56" | 12.39" | 14.39" | 12.34" | 13.13" | 17.47" | 9.91" | 13.84" | 13.25" | 12.00" | 12.28" | 17.57" | 9.39" | 13.31" | 13.10" | 13.32" | 20.49" | 15.17" | 12.43" | 16.77" | 13.56" | 12.84" | 14.74" | 13.13" | 11.25" | 14.51" | 15.55" | 12.74" | 9.32" | 11.47" | 8.62" | 16.35" | 13.70" | 13.81" | 12.08" | 14.49" | 20.33" | 13.69" | 15.16" | 12.87" | 17.08" | 11.76" | 11.45" | 10.97" | 13.72" | 15.51" | 14.96" | 19.33" | 14.32" | 18.91" | 17.79" | 15.94" | 19.36" | 17.02" | 11.89" | 13.45" | 11.54" | 12.05" | 17.57" | 15.92" | 10.97" | 17.12" | 19.11" | 16.65" | 19.00" | 16.54" | 9.05" |
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