Choose from the options below and click "Plot" to create a time series graph.
Data are available from January 1895 through May 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9.77" | 6.31" | 2.90" | 5.14" | 6.66" | 7.50" | 2.96" | 7.99" | 2.97" | 7.87" | 10.36" | 16.55" | 10.47" | 20.52" | 12.18" | 16.70" | 6.03" | 7.25" | 21.57" | 13.40" | 22.98" | 8.68" | 2.96" | 5.07" | 4.73" | 13.22" | 11.96" | 10.92" | 3.30" | 5.86" | 5.62" | 6.33" | 5.23" | 5.37" | 10.42" | 4.08" | 10.15" | 8.30" | 7.17" | 7.70" | 6.82" | 7.99" | 8.39" | 5.70" | 9.54" | 13.67" | 11.20" | 11.18" | 6.00" | 3.71" | 8.25" | 3.74" | 3.24" | 5.83" | 7.51" | 8.24" | 14.84" | 11.38" | 6.58" | 7.36" | 17.10" | 4.68" | 7.94" | 5.54" | 5.35" | 3.91" | 4.33" | 5.02" | 4.08" | 11.77" | 6.78" | 12.04" | 6.39" | 15.66" | 10.01" | 7.78" | 6.70" | 8.97" | 8.97" | 4.53" | 1.32" | 2.55" | 13.37" | 6.75" | 9.80" | 6.76" | 9.36" | 10.25" | 7.18" | 3.61" | 5.73" | 4.21" | 8.52" | 4.42" | 3.72" | 1.83" | 4.18" | 15.66" | 4.31" | 15.14" | 10.34" | 16.23" | 9.87" | 4.89" | 5.52" | 4.10" | 7.42" | 9.72" | 7.95" | 10.75" | 12.02" | 3.60" | 9.70" | 4.00" | 9.09" | 8.85" | 3.28" | 6.73" |
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