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 | 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8.10" | 9.54" | 5.99" | 11.58" | 7.00" | 11.86" | 7.92" | 11.29" | 6.14" | 7.12" | 13.29" | 4.64" | 13.79" | 5.70" | 6.27" | 4.71" | 12.34" | 8.20" | 8.06" | 13.44" | 6.99" | 6.88" | 6.13" | 11.72" | 7.16" | 10.58" | 7.42" | 7.59" | 10.32" | 14.06" | 12.62" | 6.83" | 8.60" | 6.24" | 11.55" | 10.14" | 10.89" | 11.96" | 4.04" | 7.86" | 12.43" | 13.45" | 6.56" | 8.14" | 7.11" | 8.42" | 10.75" | 10.71" | 9.33" | 5.82" | 12.33" | 8.70" | 16.03" | 15.25" | 6.02" | 6.61" | 9.74" | 8.31" | 11.82" | 9.18" | 4.85" | 6.03" | 13.88" | 7.27" | 10.49" | 5.91" | 11.75" | 11.42" | 14.70" | 7.74" | 9.17" | 8.59" | 11.33" | 10.06" | 9.65" | 9.30" | 11.25" | 14.85" | 11.40" | 12.94" | 10.46" | 12.83" | 13.96" | 10.87" | 11.23" | 5.21" | 13.14" | 11.73" | 15.69" | 6.32" | 11.25" | 16.28" | 9.97" | 6.03" | 10.88" | 11.59" | 8.35" | 17.78" | 10.63" | 14.90" | 9.71" | 10.03" | 17.23" | 10.46" | 10.30" | 7.47" | 6.35" | 10.92" | 5.98" | 7.37" | 11.10" | 12.89" | 8.90" | 9.01" | 18.44" | 5.35" | 6.79" | 8.96" |
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