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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5.02" | 11.33" | 4.49" | 7.87" | 6.92" | 6.79" | 6.00" | 7.31" | 7.41" | 6.84" | 7.03" | 7.91" | 5.10" | 6.94" | 6.18" | 4.32" | 6.94" | 3.43" | 5.54" | 4.99" | 8.79" | 5.65" | 4.27" | 8.49" | 6.76" | 5.33" | 5.25" | 6.98" | 3.68" | 4.58" | 3.67" | 7.23" | 6.00" | 4.85" | 5.51" | 5.91" | 7.34" | 8.25" | 6.59" | 7.33" | 6.44" | 6.37" | 3.89" | 7.53" | 5.32" | 8.03" | 4.48" | 5.82" | 4.23" | 6.09" | 5.67" | 7.47" | 6.13" | 5.43" | 9.20" | 8.00" | 7.78" | 4.24" | 6.62" | 5.26" | 5.66" | 6.14" | 3.74" | 4.91" | 4.35" | 4.05" | 5.00" | 3.18" | 3.88" | 4.70" | 9.88" | 6.61" | 5.44" | 8.55" | 7.62" | 9.59" | 10.89" | 4.81" | 7.87" | 8.70" | 6.61" | 4.50" | 7.71" | 6.63" | 7.48" | 4.73" | 8.11" | 8.39" | 7.55" | 9.57" | 5.90" | 4.25" | 5.35" | 6.35" | 5.24" | 6.65" | 5.99" | 4.14" | 4.79" | 7.52" | 10.41" | 10.37" | 6.35" | 9.30" | 3.97" | 8.51" | 6.51" | 3.54" | 6.01" | 8.33" | 10.80" | 6.36" | 6.85" | 12.47" | 8.00" | 6.89" | 5.56" | 6.92" |
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