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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14.12" | 11.62" | 10.73" | 11.00" | 10.28" | 12.73" | 11.69" | 13.07" | 13.27" | 9.58" | 11.92" | 14.12" | 12.01" | 15.31" | 12.03" | 10.15" | 13.58" | 10.29" | 13.20" | 8.47" | 13.49" | 9.24" | 13.93" | 11.88" | 6.22" | 14.59" | 8.01" | 12.17" | 8.27" | 12.77" | 10.45" | 13.46" | 7.92" | 8.05" | 13.59" | 5.87" | 10.08" | 11.56" | 11.08" | 9.10" | 13.00" | 11.00" | 13.29" | 8.62" | 14.75" | 8.90" | 11.90" | 13.29" | 6.23" | 8.66" | 12.31" | 7.72" | 10.36" | 11.71" | 12.72" | 13.43" | 11.94" | 16.24" | 13.38" | 7.49" | 18.73" | 9.13" | 16.02" | 11.32" | 8.61" | 10.50" | 8.31" | 7.64" | 9.46" | 17.98" | 9.98" | 11.39" | 10.29" | 14.00" | 16.08" | 12.85" | 13.82" | 9.09" | 14.74" | 13.45" | 11.39" | 3.37" | 12.71" | 9.55" | 10.62" | 10.23" | 16.61" | 15.03" | 11.21" | 5.30" | 11.98" | 8.15" | 10.46" | 7.67" | 9.04" | 5.91" | 6.82" | 10.20" | 8.86" | 11.53" | 17.01" | 15.88" | 11.80" | 15.57" | 12.23" | 4.82" | 10.99" | 12.07" | 13.24" | 6.05" | 15.31" | 10.16" | 10.61" | 8.68" | 8.96" | 10.97" | 9.05" | 8.83" |
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