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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8.03" | 12.07" | 10.43" | 7.12" | 8.42" | 8.63" | 7.36" | 8.75" | 6.61" | 14.89" | 12.10" | 12.92" | 10.33" | 11.15" | 10.61" | 9.91" | 10.97" | 8.61" | 11.36" | 12.90" | 11.32" | 12.58" | 8.16" | 11.01" | 12.93" | 10.16" | 10.71" | 9.31" | 12.32" | 7.11" | 12.99" | 9.57" | 10.92" | 9.78" | 10.98" | 10.98" | 12.17" | 9.34" | 8.35" | 10.86" | 10.24" | 11.89" | 10.50" | 10.01" | 10.66" | 17.06" | 14.54" | 10.18" | 11.24" | 9.61" | 9.19" | 11.52" | 10.65" | 10.52" | 7.82" | 7.67" | 12.32" | 8.23" | 7.59" | 8.74" | 7.98" | 9.30" | 12.63" | 9.30" | 10.95" | 8.96" | 11.58" | 7.66" | 10.19" | 10.66" | 10.31" | 8.97" | 10.94" | 9.83" | 10.14" | 8.84" | 9.60" | 15.95" | 6.89" | 11.23" | 8.75" | 8.14" | 12.52" | 14.26" | 12.67" | 9.45" | 11.44" | 14.50" | 11.95" | 14.72" | 11.96" | 13.61" | 11.46" | 9.19" | 8.81" | 11.38" | 14.17" | 14.09" | 11.14" | 14.22" | 7.91" | 12.02" | 13.39" | 11.17" | 8.82" | 11.87" | 6.27" | 10.27" | 9.94" | 15.65" | 8.55" | 12.46" | 10.32" | 10.13" | 10.59" | 9.85" | 8.35" |
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