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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10.89" | 16.71" | 8.98" | 12.34" | 14.28" | 13.43" | 8.38" | 21.21" | 16.21" | 11.63" | 14.34" | 10.47" | 16.10" | 17.61" | 15.49" | 7.27" | 7.83" | 9.78" | 11.33" | 11.10" | 19.82" | 10.39" | 12.73" | 15.28" | 12.05" | 11.03" | 10.49" | 11.68" | 9.49" | 13.44" | 10.42" | 10.99" | 9.05" | 12.26" | 9.86" | 10.97" | 9.41" | 12.38" | 9.37" | 8.58" | 14.93" | 6.30" | 10.37" | 14.43" | 10.39" | 10.36" | 11.56" | 15.47" | 15.05" | 15.94" | 13.90" | 13.15" | 16.12" | 9.85" | 11.65" | 15.22" | 15.71" | 13.01" | 10.97" | 12.03" | 8.99" | 10.28" | 13.31" | 13.36" | 14.02" | 13.11" | 11.32" | 14.99" | 11.04" | 13.15" | 12.04" | 12.81" | 13.67" | 11.64" | 17.40" | 11.51" | 11.23" | 14.03" | 14.58" | 13.42" | 9.80" | 8.98" | 9.46" | 13.84" | 11.68" | 10.23" | 13.13" | 16.70" | 12.91" | 15.62" | 8.64" | 15.44" | 11.92" | 5.77" | 9.33" | 20.08" | 11.67" | 12.19" | 24.43" | 12.34" | 13.29" | 15.80" | 11.52" | 15.42" | 15.69" | 14.40" | 14.40" | 11.88" | 13.37" | 15.62" | 12.47" | 8.15" | 12.11" | 20.59" | 13.48" | 22.68" | 14.61" | 7.73" |
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