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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9.71" | 12.42" | 18.55" | 11.99" | 12.17" | 11.11" | 16.23" | 14.78" | 19.50" | 14.10" | 12.75" | 15.47" | 10.14" | 11.64" | 9.63" | 9.99" | 17.29" | 8.90" | 8.09" | 11.46" | 15.58" | 10.61" | 10.96" | 8.93" | 17.79" | 17.45" | 10.78" | 15.65" | 8.12" | 10.82" | 12.17" | 14.12" | 17.12" | 19.67" | 7.10" | 11.10" | 14.38" | 9.37" | 17.32" | 10.98" | 11.93" | 11.49" | 13.95" | 19.64" | 13.36" | 11.83" | 15.61" | 17.82" | 9.53" | 8.32" | 17.98" | 15.34" | 12.05" | 15.39" | 7.65" | 12.80" | 10.60" | 15.74" | 10.18" | 9.59" | 16.68" | 13.70" | 5.73" | 15.42" | 16.37" | 14.05" | 13.29" | 13.18" | 8.28" | 7.89" | 8.48" | 5.67" | 17.94" | 10.39" | 17.04" | 10.48" | 16.04" | 14.37" | 12.18" | 12.07" | 19.29" | 11.25" | 11.99" | 14.30" | 13.40" | 9.05" | 11.22" | 11.38" | 8.96" | 12.73" | 12.90" | 12.30" | 13.79" | 10.96" | 17.46" | 14.82" | 13.41" | 14.66" | 9.35" | 14.76" | 8.62" | 15.94" | 13.04" | 9.58" | 8.70" | 15.65" | 12.00" | 10.33" | 17.47" | 14.77" | 10.36" | 16.52" | 13.28" | 9.53" | 19.07" | 8.08" | 24.10" | 12.39" |
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