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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 13.41" | 12.40" | 10.41" | 7.85" | 13.50" | 9.12" | 7.20" | 19.62" | 6.59" | 12.85" | 12.94" | 9.49" | 16.19" | 6.66" | 10.40" | 8.96" | 12.49" | 10.71" | 15.83" | 14.67" | 7.13" | 6.57" | 4.32" | 17.52" | 15.53" | 12.54" | 9.61" | 13.06" | 17.64" | 5.05" | 15.09" | 13.46" | 9.61" | 11.77" | 11.00" | 17.53" | 15.70" | 10.06" | 10.90" | 9.96" | 8.77" | 10.18" | 14.54" | 9.31" | 9.06" | 18.08" | 11.00" | 9.43" | 13.30" | 15.06" | 12.63" | 13.25" | 10.17" | 11.30" | 11.97" | 5.32" | 6.84" | 9.17" | 8.14" | 9.06" | 6.00" | 10.19" | 16.57" | 8.23" | 13.53" | 17.14" | 8.24" | 7.89" | 9.65" | 9.80" | 10.37" | 5.05" | 13.22" | 11.32" | 14.01" | 5.23" | 11.05" | 13.96" | 10.66" | 12.74" | 6.68" | 12.57" | 8.43" | 12.89" | 8.37" | 8.84" | 11.53" | 13.69" | 10.68" | 17.20" | 10.81" | 17.50" | 9.26" | 9.81" | 10.79" | 11.98" | 19.64" | 13.00" | 10.70" | 14.68" | 5.76" | 13.23" | 15.58" | 15.07" | 7.50" | 18.84" | 11.59" | 15.46" | 12.35" | 17.53" | 7.76" | 16.06" | 8.37" | 7.13" | 16.40" | 5.25" | 14.37" | 6.81" |
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