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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20.15" | 17.89" | 6.74" | 8.34" | 21.20" | 22.42" | 10.40" | 20.36" | 17.07" | 17.88" | 19.32" | 29.62" | 19.99" | 40.79" | 29.18" | 32.80" | 13.30" | 20.03" | 46.12" | 26.06" | 43.16" | 19.15" | 7.87" | 14.99" | 8.98" | 35.93" | 22.93" | 26.08" | 6.09" | 14.57" | 13.70" | 27.12" | 17.12" | 15.35" | 18.90" | 9.39" | 19.83" | 12.55" | 12.14" | 18.35" | 15.90" | 10.31" | 22.62" | 7.75" | 17.29" | 27.10" | 24.19" | 23.34" | 9.54" | 13.68" | 19.22" | 11.06" | 7.39" | 10.22" | 15.49" | 25.24" | 30.46" | 24.59" | 14.65" | 16.22" | 36.18" | 5.91" | 15.38" | 12.46" | 9.58" | 14.39" | 11.88" | 11.94" | 15.60" | 31.98" | 18.54" | 28.84" | 15.28" | 29.29" | 15.21" | 24.67" | 12.87" | 23.11" | 28.12" | 8.41" | 3.79" | 4.32" | 26.40" | 11.84" | 20.06" | 13.41" | 29.78" | 23.35" | 26.75" | 13.42" | 16.89" | 7.00" | 19.01" | 15.29" | 8.81" | 3.40" | 7.59" | 24.99" | 10.56" | 34.42" | 19.38" | 36.35" | 24.44" | 16.31" | 14.65" | 7.64" | 21.61" | 24.09" | 18.81" | 16.89" | 26.91" | 9.65" | 16.32" | 9.53" | 15.55" | 16.87" | 7.41" | 18.11" |
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