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.
| 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 | 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9.73" | 11.66" | 6.99" | 6.14" | 10.28" | 14.43" | 10.05" | 10.67" | 10.31" | 12.18" | 12.02" | 15.55" | 10.99" | 19.75" | 15.12" | 15.99" | 6.14" | 10.04" | 21.43" | 15.22" | 19.05" | 12.20" | 6.65" | 12.17" | 7.04" | 15.87" | 13.76" | 11.42" | 5.56" | 10.84" | 9.64" | 14.98" | 9.43" | 7.49" | 8.87" | 7.57" | 13.14" | 7.56" | 8.26" | 11.13" | 12.11" | 11.39" | 14.35" | 7.79" | 14.65" | 16.59" | 13.15" | 12.61" | 10.21" | 10.82" | 11.33" | 8.96" | 6.58" | 8.21" | 8.54" | 13.30" | 15.69" | 9.72" | 8.84" | 8.49" | 15.93" | 7.49" | 14.42" | 8.51" | 8.62" | 7.90" | 11.53" | 9.77" | 8.52" | 12.33" | 11.00" | 12.35" | 9.23" | 18.85" | 10.49" | 10.95" | 8.39" | 14.89" | 13.02" | 9.07" | 6.96" | 5.68" | 15.32" | 11.44" | 15.47" | 7.20" | 14.61" | 18.86" | 13.57" | 9.70" | 15.24" | 7.17" | 9.54" | 7.42" | 7.67" | 4.25" | 9.33" | 16.70" | 7.46" | 14.64" | 11.70" | 15.44" | 18.42" | 11.29" | 10.66" | 8.56" | 9.53" | 10.51" | 11.08" | 15.56" | 12.61" | 7.21" | 11.02" | 8.63" | 10.98" | 13.38" | 5.62" | 8.35" |
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