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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10.97" | 13.51" | 9.33" | 11.54" | 9.00" | 12.89" | 7.79" | 17.49" | 11.16" | 11.96" | 11.91" | 9.78" | 15.82" | 8.65" | 11.16" | 9.14" | 9.23" | 11.62" | 7.02" | 7.58" | 17.82" | 11.01" | 11.12" | 9.82" | 9.58" | 7.59" | 10.86" | 6.93" | 10.63" | 15.54" | 10.67" | 12.66" | 10.53" | 14.40" | 12.02" | 6.43" | 10.24" | 13.02" | 6.34" | 10.16" | 11.81" | 5.63" | 10.86" | 13.65" | 13.65" | 8.96" | 10.14" | 13.89" | 9.73" | 8.31" | 11.72" | 12.26" | 10.81" | 11.08" | 11.47" | 13.30" | 14.51" | 11.19" | 8.34" | 11.40" | 9.84" | 11.48" | 13.72" | 17.44" | 9.17" | 11.50" | 12.30" | 10.79" | 10.07" | 9.12" | 13.71" | 7.38" | 11.38" | 10.96" | 14.15" | 12.73" | 9.88" | 13.22" | 12.89" | 11.75" | 12.38" | 8.19" | 14.22" | 10.95" | 13.35" | 12.69" | 17.75" | 13.00" | 8.30" | 7.20" | 13.10" | 11.60" | 13.11" | 6.17" | 10.49" | 14.19" | 6.33" | 10.94" | 18.28" | 10.39" | 10.83" | 10.64" | 10.60" | 14.36" | 10.64" | 15.05" | 11.68" | 11.00" | 11.37" | 12.39" | 8.87" | 11.27" | 12.00" | 13.48" | 14.48" | 16.13" | 12.15" | 6.92" |
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