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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15.85" | 19.47" | 14.81" | 13.46" | 15.93" | 16.98" | 17.10" | 17.44" | 17.38" | 16.33" | 17.16" | 17.06" | 13.41" | 15.76" | 15.82" | 11.28" | 16.30" | 18.94" | 12.87" | 17.39" | 16.89" | 17.84" | 9.34" | 13.72" | 12.92" | 14.19" | 17.85" | 16.52" | 16.24" | 14.21" | 15.46" | 12.92" | 18.85" | 16.75" | 11.23" | 12.16" | 13.30" | 14.09" | 11.43" | 8.09" | 16.70" | 7.72" | 15.89" | 13.49" | 13.16" | 14.74" | 21.43" | 17.65" | 17.04" | 18.98" | 13.50" | 13.96" | 15.45" | 14.75" | 13.12" | 16.62" | 14.84" | 11.62" | 17.94" | 17.73" | 15.39" | 14.99" | 16.28" | 11.19" | 12.98" | 13.34" | 12.06" | 19.29" | 16.35" | 17.94" | 19.45" | 15.37" | 11.91" | 17.21" | 14.87" | 16.78" | 15.38" | 15.33" | 13.76" | 13.93" | 18.70" | 11.37" | 17.87" | 15.79" | 13.37" | 13.94" | 14.64" | 15.60" | 13.56" | 12.45" | 14.33" | 19.59" | 15.86" | 9.80" | 12.85" | 14.07" | 17.27" | 12.81" | 20.90" | 15.21" | 16.42" | 14.96" | 14.33" | 16.25" | 19.81" | 17.35" | 15.46" | 14.73" | 14.82" | 16.52" | 17.86" | 12.33" | 17.71" | 14.65" | 15.47" | 21.00" | 19.59" | 11.57" |
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