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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.76" | 16.36" | 11.39" | 13.43" | 11.67" | 17.56" | 9.67" | 10.04" | 13.32" | 11.99" | 17.35" | 14.18" | 15.43" | 12.84" | 16.89" | 17.85" | 10.85" | 14.85" | 10.53" | 9.47" | 14.72" | 18.98" | 15.76" | 12.36" | 14.18" | 13.54" | 10.46" | 15.36" | 15.78" | 13.87" | 8.47" | 11.56" | 14.94" | 19.95" | 17.90" | 10.15" | 9.80" | 11.12" | 15.09" | 12.40" | 13.69" | 9.49" | 12.76" | 17.61" | 13.76" | 11.23" | 11.02" | 11.23" | 11.39" | 7.35" | 15.08" | 12.99" | 12.35" | 11.07" | 16.69" | 17.20" | 11.77" | 7.87" | 13.83" | 8.81" | 12.84" | 10.92" | 14.39" | 13.22" | 13.10" | 12.21" | 14.42" | 11.37" | 13.38" | 10.99" | 13.36" | 11.30" | 20.09" | 11.19" | 10.82" | 11.74" | 14.95" | 15.48" | 17.60" | 15.51" | 12.82" | 15.55" | 10.88" | 14.29" | 17.55" | 10.80" | 15.27" | 12.23" | 16.41" | 18.85" | 12.25" | 11.70" | 10.82" | 8.71" | 20.32" | 12.47" | 14.37" | 15.10" | 10.95" | 15.48" | 15.06" | 16.43" | 16.01" | 20.06" | 14.33" | 12.13" | 14.11" | 12.70" | 21.52" | 16.42" | 11.54" | 11.47" | 8.67" | 11.84" | 19.66" | 18.34" | 14.12" | 11.60" |
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