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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7.92" | 10.69" | 5.08" | 9.62" | 6.32" | 13.49" | 7.99" | 13.43" | 12.37" | 7.86" | 11.21" | 10.03" | 8.55" | 9.31" | 7.57" | 8.21" | 11.73" | 10.69" | 8.97" | 13.24" | 10.11" | 8.44" | 6.57" | 9.06" | 10.90" | 8.74" | 13.68" | 6.88" | 12.39" | 9.33" | 11.38" | 15.06" | 10.12" | 13.10" | 9.23" | 6.78" | 13.03" | 10.91" | 8.46" | 9.30" | 8.57" | 12.38" | 7.61" | 10.36" | 7.02" | 9.75" | 15.36" | 8.89" | 8.89" | 9.07" | 7.94" | 11.84" | 7.35" | 6.50" | 7.45" | 5.63" | 12.03" | 5.69" | 3.75" | 13.41" | 6.29" | 7.31" | 9.22" | 6.46" | 12.22" | 11.02" | 13.35" | 9.17" | 7.33" | 8.71" | 14.83" | 5.54" | 8.45" | 11.55" | 8.61" | 14.25" | 7.38" | 12.83" | 12.28" | 9.26" | 7.75" | 4.56" | 17.11" | 10.03" | 11.28" | 13.06" | 10.29" | 11.29" | 9.75" | 8.38" | 12.44" | 14.66" | 11.22" | 8.42" | 10.23" | 7.66" | 9.26" | 9.81" | 13.11" | 9.20" | 8.40" | 9.25" | 9.09" | 12.22" | 5.85" | 6.63" | 9.48" | 11.22" | 5.16" | 9.34" | 7.50" | 11.52" | 17.75" | 9.45" | 13.92" | 11.26" | 5.65" | 7.56" |
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