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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 13.75" | 17.06" | 13.15" | 10.98" | 15.80" | 12.30" | 13.48" | 14.47" | 11.32" | 16.60" | 10.49" | 13.64" | 14.53" | 11.71" | 14.66" | 12.81" | 10.88" | 14.80" | 11.60" | 13.83" | 12.71" | 16.35" | 13.13" | 11.75" | 14.16" | 9.21" | 14.72" | 10.70" | 11.56" | 7.42" | 13.62" | 10.66" | 15.30" | 12.19" | 9.54" | 12.27" | 11.06" | 14.76" | 13.42" | 10.58" | 11.56" | 14.80" | 13.76" | 13.53" | 10.09" | 15.19" | 10.87" | 11.21" | 12.68" | 9.77" | 15.53" | 12.89" | 10.23" | 15.81" | 11.04" | 16.00" | 13.94" | 10.80" | 18.07" | 13.69" | 11.50" | 14.56" | 14.52" | 14.47" | 13.78" | 14.88" | 16.36" | 11.77" | 12.56" | 12.55" | 11.92" | 10.85" | 13.73" | 12.49" | 12.76" | 14.59" | 15.75" | 16.54" | 8.58" | 16.46" | 14.83" | 12.60" | 8.88" | 12.72" | 12.03" | 14.14" | 11.90" | 15.13" | 16.32" | 13.71" | 7.59" | 15.44" | 12.11" | 12.06" | 13.21" | 14.71" | 13.37" | 9.10" | 13.91" | 10.79" | 15.40" | 17.93" | 15.26" | 16.87" | 15.30" | 13.75" | 8.22" | 11.76" | 14.96" | 12.24" | 12.03" | 15.71" | 10.73" | 11.51" | 11.92" | 14.03" | 16.05" | 15.98" |
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