Choose from the options below and click "Plot" to create a time series graph.
Data are available from January 1895 through May 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15.76" | 11.37" | 10.83" | 11.76" | 9.72" | 22.48" | 10.39" | 8.90" | 7.78" | 10.00" | 21.41" | 8.43" | 22.90" | 15.35" | 17.33" | 14.74" | 14.89" | 19.33" | 14.18" | 11.10" | 9.61" | 15.37" | 7.11" | 12.70" | 20.13" | 14.15" | 14.76" | 16.54" | 20.54" | 12.06" | 7.67" | 15.21" | 17.92" | 20.42" | 12.54" | 7.82" | 7.39" | 11.11" | 13.73" | 12.40" | 18.18" | 9.83" | 11.21" | 14.47" | 13.02" | 20.77" | 18.20" | 18.08" | 10.23" | 14.74" | 14.97" | 21.64" | 15.97" | 8.96" | 13.64" | 19.51" | 8.50" | 14.35" | 24.63" | 12.11" | 15.89" | 12.06" | 20.72" | 17.09" | 16.15" | 9.00" | 14.48" | 13.82" | 8.96" | 12.32" | 7.26" | 15.06" | 15.37" | 16.80" | 14.03" | 11.40" | 10.38" | 10.83" | 17.65" | 15.54" | 23.41" | 11.62" | 11.26" | 13.26" | 16.92" | 20.34" | 13.65" | 14.13" | 22.31" | 13.41" | 8.50" | 14.99" | 13.28" | 8.69" | 24.67" | 12.93" | 30.97" | 14.64" | 19.37" | 16.07" | 17.69" | 13.77" | 19.77" | 7.02" | 14.72" | 14.59" | 16.20" | 10.85" | 14.88" | 26.61" | 9.92" | 9.41" | 14.31" | 13.02" | 10.78" | 9.50" | 7.38" | 11.11" |
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