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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8.06" | 11.38" | 8.54" | 12.43" | 8.69" | 10.55" | 7.67" | 10.45" | 8.26" | 8.61" | 9.36" | 8.76" | 14.54" | 5.01" | 7.98" | 8.20" | 11.06" | 10.37" | 11.38" | 5.51" | 7.39" | 8.47" | 8.76" | 10.85" | 11.35" | 10.68" | 10.48" | 5.68" | 9.52" | 8.61" | 12.23" | 13.10" | 13.87" | 7.80" | 9.90" | 6.46" | 7.96" | 13.33" | 9.44" | 11.47" | 10.42" | 9.49" | 11.57" | 11.50" | 8.40" | 10.04" | 7.36" | 11.35" | 11.03" | 11.89" | 14.11" | 8.77" | 8.35" | 9.67" | 8.70" | 11.59" | 10.89" | 8.55" | 8.63" | 12.84" | 11.34" | 9.31" | 9.16" | 10.90" | 12.99" | 9.96" | 8.53" | 11.43" | 9.99" | 6.19" | 9.75" | 11.14" | 9.72" | 10.90" | 10.16" | 11.07" | 10.24" | 12.60" | 9.52" | 9.87" | 14.07" | 11.03" | 15.54" | 7.81" | 13.01" | 10.18" | 11.90" | 8.94" | 12.47" | 7.75" | 12.97" | 10.34" | 12.02" | 10.61" | 12.62" | 12.39" | 10.19" | 10.69" | 12.65" | 8.86" | 14.67" | 14.15" | 10.10" | 7.88" | 14.47" | 8.65" | 7.76" | 12.96" | 15.53" | 11.73" | 17.43" | 14.90" | 11.51" | 11.96" | 10.56" | 13.38" | 15.18" | 11.53" |
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