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.
| 1895 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 11.07" | 12.47" | 11.05" | 13.86" | 14.53" | 16.13" | 16.23" | 14.24" | 14.68" | 13.06" | 10.30" | 12.46" | 9.13" | 12.31" | 17.50" | 12.81" | 8.84" | 15.03" | 14.71" | 12.87" | 12.33" | 10.73" | 10.52" | 10.51" | 13.53" | 14.37" | 12.43" | 10.35" | 13.94" | 13.30" | 11.00" | 12.25" | 8.72" | 11.59" | 16.33" | 8.65" | 12.42" | 14.47" | 16.48" | 16.22" | 12.60" | 21.74" | 16.97" | 13.03" | 18.10" | 17.47" | 8.62" | 14.42" | 12.29" | 14.18" | 13.95" | 9.25" | 12.78" | 14.38" | 14.83" | 13.34" | 18.18" | 18.16" | 25.59" | 12.57" | 13.07" | 15.79" | 10.76" | 18.71" | 15.04" | 14.56" | 15.09" | 13.23" | 10.80" | 15.02" | 10.90" | 10.49" | 13.01" | 11.27" | 12.57" | 13.02" | 12.20" | 16.98" | 18.34" | 15.34" | 14.91" | 15.92" | 16.91" | 16.50" | 26.10" | 17.37" | 13.13" | 16.48" | 28.22" | 17.75" | 7.96" | 13.29" | 18.74" | 12.46" | 12.10" | 16.40" | 13.54" | 12.39" | 17.37" | 17.50" | 12.12" | 20.51" | 14.87" | 19.03" | 17.51" | 15.71" | 13.98" | 11.08" | 14.60" | 14.70" | 17.58" | 14.16" | 18.95" | 20.78" | 11.49" | 19.67" | 18.73" | 8.60" | 9.06" |
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