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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10.56" | 12.89" | 10.03" | 8.11" | 15.42" | 11.54" | 7.72" | 12.46" | 15.70" | 7.87" | 11.59" | 13.16" | 7.89" | 9.62" | 10.37" | 8.32" | 9.50" | 13.73" | 9.04" | 9.05" | 11.41" | 8.79" | 11.81" | 9.12" | 11.71" | 12.50" | 8.42" | 12.13" | 13.44" | 13.31" | 10.08" | 9.36" | 7.20" | 9.07" | 10.94" | 7.68" | 8.88" | 14.77" | 10.76" | 11.96" | 11.98" | 17.39" | 13.71" | 8.24" | 14.80" | 9.71" | 8.24" | 11.21" | 9.71" | 12.99" | 8.76" | 8.04" | 8.23" | 13.95" | 13.03" | 9.26" | 8.34" | 13.42" | 12.42" | 8.21" | 7.59" | 10.33" | 9.28" | 14.91" | 6.84" | 8.94" | 13.43" | 11.84" | 10.58" | 12.34" | 8.56" | 8.51" | 7.66" | 8.10" | 8.58" | 8.62" | 10.91" | 10.95" | 9.23" | 9.60" | 13.92" | 9.20" | 6.75" | 14.51" | 17.96" | 10.86" | 6.07" | 10.62" | 12.48" | 13.90" | 7.64" | 8.84" | 10.93" | 10.33" | 12.60" | 8.85" | 12.01" | 7.94" | 13.00" | 18.40" | 8.13" | 11.57" | 10.54" | 16.81" | 13.72" | 12.76" | 11.67" | 7.81" | 12.19" | 7.18" | 10.54" | 5.89" | 10.09" | 8.59" | 5.59" | 13.26" | 9.07" | 5.15" | 9.71" |
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