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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 13.70" | 16.80" | 11.88" | 12.98" | 12.04" | 16.14" | 16.77" | 10.21" | 14.57" | 12.12" | 15.62" | 19.09" | 15.50" | 13.93" | 17.73" | 17.47" | 10.48" | 16.25" | 13.07" | 9.42" | 14.98" | 20.50" | 13.34" | 11.76" | 19.08" | 13.97" | 13.37" | 17.56" | 16.73" | 15.84" | 10.76" | 13.31" | 13.20" | 16.32" | 16.80" | 12.20" | 11.93" | 14.38" | 13.23" | 16.82" | 14.08" | 12.07" | 13.45" | 17.55" | 16.07" | 14.49" | 15.36" | 15.60" | 15.49" | 11.69" | 15.98" | 18.20" | 14.61" | 14.56" | 16.11" | 16.09" | 12.26" | 10.79" | 13.89" | 10.83" | 14.28" | 12.96" | 15.41" | 15.47" | 16.56" | 14.17" | 14.70" | 13.53" | 14.83" | 14.54" | 15.24" | 14.81" | 16.03" | 15.11" | 15.38" | 13.24" | 15.76" | 16.62" | 15.98" | 15.60" | 18.50" | 17.28" | 10.17" | 15.75" | 15.37" | 12.44" | 12.71" | 16.58" | 11.70" | 16.60" | 15.02" | 10.69" | 12.29" | 10.85" | 19.74" | 11.87" | 18.35" | 14.44" | 9.76" | 17.65" | 15.46" | 13.45" | 15.09" | 11.51" | 14.01" | 10.89" | 16.12" | 13.14" | 22.15" | 15.71" | 18.13" | 12.77" | 10.83" | 11.90" | 16.33" | 13.11" | 11.09" | 15.74" |
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