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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14.72" | 11.33" | 12.11" | 13.90" | 10.08" | 10.78" | 9.59" | 11.93" | 14.19" | 14.90" | 15.95" | 14.42" | 16.52" | 14.14" | 12.59" | 12.46" | 18.28" | 14.56" | 12.69" | 17.02" | 12.73" | 13.48" | 15.58" | 9.78" | 13.85" | 11.01" | 13.31" | 19.26" | 11.60" | 15.11" | 13.83" | 16.83" | 13.79" | 14.38" | 14.61" | 10.67" | 12.61" | 11.83" | 10.28" | 12.09" | 12.81" | 14.25" | 14.76" | 11.09" | 12.59" | 16.87" | 13.75" | 13.41" | 14.28" | 16.27" | 15.10" | 15.53" | 12.07" | 14.47" | 12.75" | 13.41" | 10.99" | 11.01" | 9.63" | 11.13" | 10.53" | 15.21" | 10.89" | 11.98" | 8.27" | 11.95" | 13.37" | 12.82" | 11.56" | 14.72" | 10.03" | 14.88" | 13.62" | 11.55" | 12.43" | 14.95" | 13.05" | 14.24" | 11.02" | 12.48" | 12.58" | 11.24" | 14.44" | 11.29" | 12.54" | 12.50" | 15.48" | 14.01" | 14.27" | 10.20" | 14.94" | 11.88" | 8.88" | 11.70" | 11.81" | 13.81" | 11.90" | 15.96" | 10.79" | 16.14" | 11.99" | 16.23" | 15.68" | 12.87" | 10.77" | 9.79" | 9.65" | 11.28" | 12.32" | 13.30" | 10.21" | 12.27" | 12.76" | 14.35" | 12.39" | 15.08" | 8.32" |
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