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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 13.45" | 13.04" | 14.17" | 12.55" | 10.49" | 11.93" | 12.73" | 8.56" | 9.57" | 13.71" | 17.43" | 15.05" | 13.79" | 11.44" | 11.56" | 8.66" | 15.82" | 12.76" | 12.91" | 18.37" | 16.86" | 13.54" | 8.73" | 12.63" | 19.12" | 12.82" | 14.96" | 9.24" | 16.98" | 9.83" | 12.99" | 14.90" | 12.35" | 13.39" | 14.95" | 13.30" | 18.25" | 14.87" | 12.16" | 10.09" | 13.97" | 12.08" | 13.62" | 14.12" | 11.57" | 15.00" | 26.18" | 14.61" | 11.47" | 13.86" | 9.36" | 12.54" | 10.27" | 13.14" | 13.82" | 10.62" | 9.72" | 10.53" | 9.52" | 11.26" | 10.89" | 6.87" | 15.66" | 15.80" | 13.78" | 14.07" | 13.57" | 11.95" | 10.81" | 10.44" | 14.91" | 11.29" | 13.10" | 12.20" | 15.82" | 10.47" | 13.21" | 17.19" | 11.93" | 14.31" | 12.15" | 11.53" | 13.09" | 16.49" | 13.85" | 11.13" | 15.33" | 14.82" | 13.39" | 17.76" | 16.38" | 21.21" | 14.53" | 16.13" | 10.82" | 15.71" | 18.58" | 16.61" | 12.61" | 15.25" | 11.15" | 14.57" | 17.66" | 13.73" | 14.47" | 14.24" | 10.87" | 11.72" | 9.42" | 18.88" | 12.80" | 17.15" | 14.18" | 13.12" | 13.13" | 13.69" | 9.49" | 8.48" |
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