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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8.82" | 7.70" | 10.23" | 13.82" | 10.73" | 10.37" | 18.44" | 9.22" | 12.13" | 12.03" | 5.99" | 11.50" | 9.25" | 9.09" | 11.18" | 5.64" | 7.89" | 13.97" | 10.63" | 9.81" | 4.02" | 9.18" | 10.30" | 8.02" | 11.11" | 12.29" | 9.42" | 10.36" | 9.70" | 9.19" | 6.86" | 7.94" | 5.75" | 8.18" | 13.36" | 6.29" | 11.31" | 9.37" | 14.74" | 11.49" | 7.02" | 12.14" | 11.92" | 10.29" | 10.52" | 12.96" | 6.64" | 9.17" | 9.45" | 10.08" | 8.78" | 8.93" | 12.83" | 17.32" | 10.21" | 9.43" | 12.75" | 12.48" | 18.06" | 13.93" | 9.03" | 10.50" | 9.40" | 16.02" | 12.69" | 10.16" | 15.71" | 8.02" | 9.38" | 9.90" | 6.32" | 8.51" | 17.76" | 13.13" | 9.96" | 11.82" | 11.04" | 16.00" | 15.11" | 10.92" | 9.85" | 8.14" | 12.36" | 11.75" | 13.87" | 16.27" | 7.35" | 9.97" | 23.20" | 17.91" | 9.74" | 7.02" | 14.60" | 9.92" | 14.79" | 13.53" | 13.79" | 7.73" | 13.56" | 13.66" | 8.83" | 12.72" | 13.05" | 17.53" | 10.94" | 15.61" | 17.07" | 14.57" | 14.08" | 14.19" | 15.89" | 10.84" | 17.89" | 12.72" | 12.43" | 21.45" | 11.33" | 9.63" |
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