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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 11.37" | 13.79" | 13.63" | 11.11" | 11.68" | 14.85" | 14.75" | 19.98" | 14.53" | 16.59" | 17.99" | 14.64" | 13.83" | 18.04" | 13.96" | 11.37" | 13.33" | 13.09" | 9.41" | 12.94" | 21.00" | 11.22" | 9.78" | 11.72" | 13.64" | 12.77" | 12.54" | 6.82" | 17.65" | 13.23" | 13.47" | 13.75" | 12.09" | 14.60" | 13.62" | 13.47" | 10.15" | 12.67" | 10.48" | 9.21" | 10.08" | 6.23" | 10.86" | 10.82" | 8.88" | 9.38" | 14.73" | 13.48" | 11.39" | 13.29" | 13.23" | 15.45" | 13.70" | 13.58" | 13.72" | 14.52" | 18.95" | 9.14" | 9.56" | 12.36" | 9.97" | 10.04" | 15.34" | 13.69" | 12.80" | 11.41" | 11.97" | 16.58" | 14.32" | 11.93" | 18.88" | 14.21" | 15.22" | 14.15" | 14.32" | 11.57" | 11.81" | 12.69" | 15.40" | 8.68" | 10.23" | 8.45" | 14.50" | 10.84" | 14.31" | 9.98" | 13.24" | 14.60" | 12.21" | 12.45" | 13.59" | 16.60" | 11.88" | 11.22" | 12.18" | 11.38" | 10.30" | 16.74" | 20.87" | 14.96" | 11.94" | 14.43" | 14.63" | 15.68" | 13.08" | 11.20" | 12.24" | 10.31" | 10.02" | 13.07" | 13.13" | 13.47" | 15.03" | 16.52" | 17.52" | 17.70" | 14.11" | 5.09" |
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