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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6.92" | 6.99" | 13.81" | 9.74" | 7.13" | 10.02" | 12.23" | 12.04" | 7.32" | 7.07" | 9.54" | 13.82" | 9.87" | 7.75" | 9.79" | 10.76" | 8.79" | 11.04" | 10.67" | 11.90" | 12.53" | 9.97" | 6.79" | 10.31" | 12.95" | 8.68" | 13.21" | 10.56" | 14.21" | 8.63" | 8.73" | 13.04" | 10.43" | 8.47" | 9.04" | 5.75" | 10.24" | 10.04" | 8.65" | 10.64" | 11.14" | 14.92" | 6.44" | 9.72" | 4.99" | 8.43" | 6.71" | 12.82" | 6.44" | 10.28" | 10.75" | 8.89" | 7.50" | 14.74" | 12.92" | 11.70" | 15.00" | 10.33" | 7.39" | 7.64" | 6.11" | 11.32" | 10.11" | 7.31" | 9.94" | 6.80" | 10.32" | 9.71" | 9.29" | 10.86" | 5.74" | 7.41" | 10.07" | 7.86" | 9.38" | 10.70" | 9.17" | 13.00" | 13.44" | 10.54" | 9.20" | 5.52" | 12.41" | 15.79" | 8.77" | 5.86" | 7.86" | 8.03" | 9.87" | 10.62" | 13.41" | 12.65" | 8.78" | 9.69" | 8.49" | 12.32" | 11.72" | 9.34" | 13.82" | 9.97" | 12.68" | 10.07" | 11.76" | 9.73" | 8.12" | 6.81" | 7.21" | 10.21" | 13.85" | 11.29" | 10.75" | 8.44" | 11.75" | 13.28" | 10.46" | 8.46" | 11.51" | 10.15" |
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