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 | 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4.41" | 6.97" | 13.77" | 11.90" | 8.24" | 7.37" | 7.73" | 6.12" | 11.66" | 13.82" | 8.23" | 8.53" | 8.08" | 14.44" | 13.73" | 6.68" | 9.64" | 11.98" | 13.64" | 8.70" | 4.28" | 6.40" | 9.14" | 7.94" | 9.46" | 10.70" | 11.64" | 14.63" | 8.35" | 8.30" | 7.25" | 9.56" | 12.14" | 7.47" | 9.94" | 6.80" | 7.73" | 7.14" | 11.55" | 5.40" | 8.28" | 8.47" | 8.39" | 11.77" | 13.70" | 9.90" | 4.47" | 10.20" | 9.11" | 13.65" | 15.23" | 7.71" | 9.53" | 11.36" | 8.71" | 13.78" | 10.44" | 10.85" | 9.06" | 8.84" | 11.07" | 10.79" | 10.76" | 5.20" | 9.94" | 6.97" | 12.97" | 7.20" | 10.61" | 14.92" | 10.96" | 8.83" | 9.31" | 7.93" | 6.88" | 10.74" | 7.12" | 11.12" | 11.67" | 9.69" | 12.17" | 8.37" | 10.22" | 7.61" | 10.33" | 8.64" | 9.53" | 9.14" | 9.41" | 10.41" | 11.21" | 8.26" | 5.98" | 9.14" | 11.40" | 11.21" | 10.10" | 7.85" | 9.79" | 8.50" | 8.49" | 10.83" | 10.15" | 12.25" | 10.67" | 8.85" | 6.70" | 12.52" | 8.07" | 6.22" | 7.53" | 11.09" | 10.46" | 15.33" | 12.06" | 7.92" | 17.05" | 6.17" | 11.25" |
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