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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15.16" | 13.52" | 7.95" | 10.45" | 12.54" | 15.73" | 12.48" | 14.29" | 16.83" | 14.60" | 21.06" | 23.19" | 12.33" | 20.64" | 15.71" | 20.20" | 12.14" | 11.30" | 23.96" | 19.93" | 21.74" | 13.75" | 11.64" | 12.55" | 11.43" | 17.99" | 16.99" | 14.08" | 6.44" | 13.90" | 12.28" | 17.97" | 12.17" | 10.20" | 13.51" | 9.06" | 14.86" | 10.32" | 8.59" | 15.31" | 13.65" | 14.68" | 21.24" | 9.64" | 16.05" | 21.59" | 16.29" | 16.97" | 12.41" | 14.68" | 12.32" | 10.63" | 10.74" | 11.59" | 11.60" | 13.71" | 19.46" | 13.58" | 12.44" | 10.93" | 18.26" | 11.38" | 18.90" | 9.34" | 10.69" | 10.60" | 13.92" | 13.07" | 9.42" | 15.96" | 12.12" | 18.48" | 10.70" | 20.25" | 11.67" | 14.85" | 9.43" | 15.75" | 16.16" | 13.43" | 6.89" | 6.32" | 21.57" | 13.52" | 18.22" | 11.00" | 19.07" | 23.76" | 14.07" | 10.68" | 18.07" | 9.48" | 11.38" | 11.90" | 8.99" | 10.99" | 11.43" | 19.00" | 9.90" | 23.81" | 16.38" | 15.58" | 23.72" | 12.73" | 13.51" | 9.21" | 11.42" | 15.52" | 12.63" | 18.14" | 18.94" | 8.43" | 10.54" | 11.14" | 14.21" | 16.91" | 8.91" |
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