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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14.59" | 14.75" | 8.12" | 10.56" | 13.71" | 16.64" | 13.77" | 15.16" | 16.88" | 16.59" | 18.91" | 23.02" | 12.40" | 22.04" | 17.29" | 20.89" | 11.51" | 12.31" | 23.79" | 18.30" | 21.52" | 14.62" | 11.43" | 14.96" | 12.55" | 18.06" | 16.87" | 14.46" | 8.04" | 14.66" | 13.46" | 18.26" | 13.76" | 10.51" | 12.05" | 9.56" | 15.04" | 9.64" | 9.26" | 16.47" | 14.16" | 15.56" | 21.35" | 10.40" | 18.32" | 22.68" | 16.79" | 17.21" | 13.07" | 14.41" | 14.14" | 11.56" | 11.84" | 11.26" | 11.51" | 15.63" | 20.67" | 12.80" | 13.02" | 10.51" | 17.66" | 10.69" | 21.04" | 9.49" | 11.53" | 10.61" | 13.79" | 15.18" | 10.80" | 16.43" | 12.26" | 18.52" | 11.33" | 21.05" | 12.72" | 13.92" | 10.03" | 17.87" | 17.63" | 14.59" | 9.02" | 6.96" | 22.20" | 14.66" | 18.60" | 10.82" | 21.05" | 27.23" | 15.85" | 12.12" | 19.42" | 10.04" | 11.91" | 11.44" | 9.61" | 10.81" | 12.74" | 19.74" | 9.57" | 22.76" | 14.90" | 16.60" | 22.82" | 14.32" | 13.25" | 11.29" | 11.63" | 15.02" | 12.51" | 19.58" | 19.61" | 8.83" | 11.59" | 10.78" | 14.94" | 18.32" | 10.29" | 9.81" |
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