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 | 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 11.94" | 14.09" | 14.36" | 11.32" | 9.45" | 21.87" | 14.22" | 12.07" | 18.13" | 9.21" | 22.83" | 12.53" | 12.07" | 13.13" | 13.66" | 7.84" | 12.14" | 17.68" | 14.69" | 17.73" | 10.33" | 6.44" | 12.35" | 11.39" | 15.76" | 11.22" | 14.41" | 19.17" | 18.09" | 12.77" | 5.46" | 20.31" | 20.41" | 16.01" | 15.61" | 8.50" | 10.00" | 11.84" | 18.96" | 14.30" | 16.86" | 9.96" | 10.85" | 14.52" | 10.89" | 19.64" | 11.41" | 15.95" | 12.43" | 15.66" | 16.60" | 16.33" | 16.76" | 14.99" | 19.39" | 17.67" | 12.12" | 16.99" | 19.86" | 6.83" | 15.15" | 15.65" | 18.27" | 14.42" | 15.06" | 11.38" | 18.88" | 9.52" | 7.22" | 16.71" | 12.00" | 19.33" | 11.68" | 12.69" | 17.63" | 11.07" | 9.84" | 10.87" | 22.59" | 14.35" | 15.50" | 10.86" | 14.72" | 7.69" | 21.76" | 21.64" | 9.84" | 14.19" | 20.09" | 13.70" | 13.58" | 8.38" | 13.77" | 19.09" | 10.30" | 16.43" | 24.24" | 15.74" | 16.57" | 12.64" | 20.38" | 10.04" | 21.15" | 15.18" | 9.66" | 11.38" | 14.88" | 12.42" | 14.03" | 16.03" | 13.72" | 13.01" | 7.82" | 12.18" | 13.94" | 9.68" | 8.43" | 20.14" | 14.94" |
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