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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 18.01" | 24.65" | 22.05" | 19.80" | 17.91" | 23.57" | 22.04" | 27.77" | 25.98" | 23.44" | 30.16" | 24.64" | 19.31" | 25.62" | 20.62" | 15.95" | 19.91" | 20.78" | 18.08" | 20.03" | 34.56" | 17.83" | 19.62" | 19.94" | 22.15" | 22.68" | 19.98" | 14.59" | 27.38" | 18.89" | 19.63" | 18.89" | 23.13" | 20.84" | 21.83" | 23.90" | 16.23" | 20.22" | 18.58" | 12.85" | 21.27" | 13.56" | 17.25" | 21.25" | 15.70" | 15.59" | 22.80" | 24.09" | 16.99" | 25.69" | 21.82" | 23.06" | 20.84" | 19.09" | 24.66" | 22.03" | 29.25" | 18.16" | 17.87" | 19.09" | 16.26" | 14.59" | 25.65" | 22.31" | 22.72" | 22.01" | 20.91" | 25.53" | 20.40" | 19.39" | 27.89" | 18.33" | 21.27" | 20.63" | 21.26" | 18.24" | 21.95" | 20.60" | 26.60" | 14.89" | 17.83" | 16.98" | 27.69" | 20.69" | 23.48" | 16.92" | 21.35" | 25.12" | 22.30" | 24.39" | 21.33" | 26.04" | 23.47" | 19.38" | 16.38" | 20.03" | 20.16" | 24.09" | 30.40" | 19.87" | 24.69" | 23.54" | 21.15" | 23.93" | 22.88" | 18.61" | 23.32" | 15.67" | 18.75" | 21.65" | 22.70" | 19.51" | 28.05" | 26.88" | 24.19" | 26.42" | 24.62" | 12.10" |
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