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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 11.22" | 14.98" | 13.31" | 10.49" | 15.59" | 15.06" | 14.06" | 17.80" | 16.93" | 13.86" | 19.71" | 15.18" | 13.15" | 14.38" | 12.32" | 8.15" | 14.82" | 17.54" | 15.69" | 17.88" | 15.40" | 13.09" | 12.20" | 12.19" | 12.12" | 13.25" | 11.46" | 12.88" | 12.34" | 16.53" | 13.12" | 13.92" | 11.71" | 15.56" | 9.94" | 10.98" | 12.47" | 16.60" | 8.21" | 8.56" | 13.98" | 11.57" | 11.05" | 16.57" | 16.21" | 15.58" | 14.24" | 16.86" | 14.79" | 16.70" | 14.55" | 13.87" | 11.69" | 8.39" | 16.92" | 13.88" | 19.61" | 16.18" | 19.19" | 13.51" | 14.44" | 14.93" | 9.48" | 16.57" | 16.23" | 16.48" | 10.95" | 12.98" | 11.45" | 15.79" | 13.06" | 11.79" | 14.09" | 17.53" | 10.35" | 13.00" | 12.86" | 15.41" | 16.94" | 15.36" | 12.04" | 7.70" | 14.21" | 17.84" | 15.69" | 14.02" | 14.07" | 14.73" | 13.85" | 11.66" | 14.66" | 10.21" | 14.22" | 13.03" | 11.59" | 11.96" | 13.60" | 12.22" | 12.87" | 13.11" | 13.34" | 14.25" | 11.69" | 10.73" | 18.61" | 10.82" | 12.26" | 13.79" | 11.85" | 13.15" | 10.61" | 12.26" | 7.51" | 10.47" | 11.73" | 13.67" | 11.08" | 13.25" |
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