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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 13.43" | 10.95" | 13.32" | 7.72" | 9.69" | 15.67" | 14.92" | 11.94" | 12.88" | 7.66" | 11.51" | 13.07" | 15.65" | 14.47" | 19.75" | 7.82" | 11.96" | 20.90" | 13.22" | 7.51" | 9.03" | 9.42" | 13.28" | 10.18" | 14.90" | 19.28" | 12.10" | 18.47" | 18.83" | 11.92" | 6.05" | 10.37" | 8.98" | 17.90" | 22.57" | 9.61" | 10.87" | 12.69" | 15.80" | 13.77" | 17.84" | 12.42" | 16.37" | 18.73" | 14.22" | 12.25" | 8.01" | 12.70" | 17.63" | 23.58" | 16.05" | 18.64" | 20.52" | 16.88" | 15.90" | 14.31" | 15.50" | 15.01" | 15.54" | 9.14" | 16.32" | 14.08" | 16.42" | 13.68" | 16.21" | 14.36" | 17.33" | 13.08" | 12.79" | 22.35" | 10.50" | 13.27" | 9.87" | 12.63" | 16.56" | 15.55" | 16.98" | 12.91" | 25.78" | 15.02" | 21.10" | 20.34" | 16.22" | 16.50" | 22.14" | 28.92" | 13.07" | 13.63" | 23.57" | 16.41" | 9.81" | 10.45" | 10.55" | 9.86" | 15.82" | 17.93" | 24.23" | 8.90" | 13.65" | 15.10" | 14.57" | 16.04" | 15.61" | 13.99" | 12.54" | 11.60" | 18.70" | 12.46" | 20.25" | 9.69" | 17.15" | 10.66" | 6.48" | 13.52" | 22.47" | 14.27" | 14.67" | 11.54" |
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