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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.12" | 14.54" | 12.35" | 12.51" | 9.57" | 11.39" | 10.40" | 10.20" | 9.36" | 16.01" | 15.64" | 15.79" | 13.79" | 14.89" | 13.50" | 12.06" | 14.92" | 13.15" | 13.12" | 17.13" | 16.47" | 13.71" | 12.54" | 13.28" | 17.17" | 12.80" | 16.10" | 11.80" | 16.18" | 9.45" | 14.83" | 14.68" | 13.98" | 12.55" | 14.25" | 14.32" | 15.36" | 12.07" | 11.82" | 10.93" | 13.42" | 14.40" | 13.13" | 13.60" | 11.64" | 16.63" | 19.60" | 13.33" | 12.62" | 13.11" | 11.33" | 13.27" | 13.83" | 12.36" | 12.85" | 9.83" | 14.41" | 11.05" | 10.79" | 10.77" | 11.35" | 9.09" | 17.06" | 11.76" | 13.81" | 11.34" | 14.08" | 10.47" | 11.31" | 12.25" | 15.89" | 10.96" | 15.00" | 12.40" | 14.46" | 11.01" | 12.24" | 17.64" | 11.14" | 12.49" | 11.49" | 10.67" | 15.08" | 16.03" | 14.89" | 11.11" | 15.06" | 16.71" | 14.96" | 17.89" | 15.20" | 17.26" | 13.43" | 13.83" | 10.28" | 15.05" | 15.81" | 18.11" | 12.05" | 15.11" | 12.33" | 13.74" | 17.64" | 12.50" | 15.26" | 13.15" | 10.00" | 11.42" | 10.50" | 18.70" | 11.65" | 14.49" | 13.83" | 12.11" | 14.16" | 12.50" | 11.64" | 10.10" |
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