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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 16.88" | 13.34" | 20.95" | 25.34" | 22.21" | 18.12" | 14.76" | 22.46" | 20.22" | 20.99" | 24.92" | 19.96" | 18.04" | 29.95" | 15.17" | 11.39" | 16.19" | 18.86" | 14.88" | 13.54" | 28.19" | 15.22" | 12.07" | 14.80" | 18.58" | 17.16" | 21.02" | 23.76" | 20.30" | 17.19" | 14.69" | 17.11" | 23.03" | 22.65" | 21.85" | 16.09" | 16.72" | 17.84" | 15.03" | 11.09" | 22.69" | 9.13" | 14.32" | 24.53" | 16.65" | 18.52" | 22.44" | 21.68" | 18.94" | 21.05" | 28.32" | 17.22" | 20.77" | 22.67" | 22.37" | 23.78" | 22.23" | 15.65" | 19.69" | 13.18" | 18.09" | 13.08" | 32.85" | 21.65" | 21.86" | 20.47" | 20.89" | 17.78" | 14.15" | 15.95" | 16.09" | 13.77" | 19.12" | 21.23" | 19.06" | 14.82" | 14.97" | 13.14" | 26.07" | 16.42" | 23.21" | 17.32" | 19.55" | 18.88" | 22.53" | 16.59" | 19.98" | 23.11" | 19.41" | 16.60" | 23.87" | 18.85" | 22.66" | 15.97" | 23.17" | 27.06" | 17.88" | 22.54" | 22.73" | 19.81" | 24.75" | 16.30" | 21.84" | 16.44" | 24.29" | 22.55" | 17.52" | 19.23" | 15.82" | 22.98" | 14.41" | 14.66" | 29.84" | 25.04" | 19.89" | 20.69" | 11.41" | 15.83" |
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