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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6.64" | 10.65" | 11.87" | 10.41" | 8.47" | 11.86" | 9.59" | 13.87" | 11.33" | 9.73" | 13.36" | 7.90" | 11.22" | 12.73" | 15.11" | 9.55" | 11.70" | 12.32" | 8.25" | 8.26" | 10.86" | 13.33" | 14.26" | 12.34" | 11.41" | 12.54" | 10.14" | 11.65" | 11.13" | 13.56" | 7.41" | 9.59" | 16.36" | 12.98" | 16.70" | 6.96" | 9.68" | 8.74" | 13.94" | 6.20" | 14.10" | 6.52" | 13.13" | 13.39" | 13.46" | 13.01" | 10.82" | 12.29" | 15.51" | 12.87" | 15.61" | 12.01" | 17.34" | 12.35" | 10.78" | 13.82" | 11.54" | 12.91" | 9.97" | 9.51" | 10.89" | 12.68" | 19.67" | 14.81" | 10.83" | 12.85" | 14.66" | 8.82" | 8.56" | 11.91" | 10.25" | 10.14" | 11.84" | 14.48" | 12.48" | 13.67" | 9.35" | 13.34" | 14.33" | 14.00" | 13.31" | 10.43" | 9.89" | 11.23" | 11.84" | 11.44" | 17.66" | 11.38" | 15.59" | 11.86" | 9.69" | 11.50" | 10.62" | 5.28" | 13.30" | 15.25" | 9.24" | 8.86" | 14.43" | 12.63" | 16.13" | 19.78" | 13.63" | 18.42" | 12.13" | 14.06" | 11.28" | 16.07" | 12.99" | 13.74" | 8.83" | 13.81" | 9.40" | 15.56" | 16.08" | 16.35" | 21.01" | 6.20" |
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