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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4.29" | 6.53" | 12.38" | 12.89" | 6.66" | 7.48" | 6.73" | 7.10" | 10.18" | 11.59" | 7.53" | 8.19" | 6.46" | 12.14" | 12.72" | 5.59" | 9.08" | 10.20" | 9.98" | 6.74" | 4.38" | 4.53" | 8.04" | 7.89" | 7.77" | 10.05" | 10.66" | 12.70" | 8.03" | 6.38" | 6.81" | 8.12" | 12.92" | 7.01" | 9.81" | 6.21" | 6.64" | 5.44" | 8.99" | 4.99" | 8.44" | 5.94" | 7.62" | 11.08" | 11.55" | 7.62" | 5.99" | 8.79" | 7.51" | 13.19" | 14.35" | 6.77" | 8.91" | 9.26" | 7.58" | 11.36" | 10.95" | 9.67" | 9.02" | 8.65" | 9.11" | 7.71" | 11.45" | 5.12" | 8.74" | 7.96" | 9.72" | 7.22" | 8.70" | 11.91" | 9.58" | 9.25" | 8.37" | 6.46" | 7.46" | 9.72" | 5.74" | 9.72" | 13.41" | 9.76" | 10.81" | 9.42" | 8.95" | 7.42" | 12.25" | 7.22" | 8.53" | 8.23" | 10.64" | 11.31" | 10.95" | 6.19" | 5.33" | 7.07" | 8.35" | 10.38" | 8.39" | 6.95" | 10.24" | 9.14" | 7.94" | 7.90" | 9.26" | 12.06" | 9.62" | 7.74" | 7.38" | 10.30" | 7.30" | 6.90" | 6.18" | 9.35" | 9.21" | 13.23" | 12.69" | 7.80" | 13.24" | 6.51" | 12.66" |
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