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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 11.00" | 11.18" | 7.14" | 14.22" | 12.05" | 11.02" | 13.47" | 15.06" | 9.06" | 11.21" | 14.16" | 7.22" | 13.93" | 9.66" | 10.09" | 7.16" | 13.99" | 11.16" | 10.48" | 14.50" | 9.38" | 10.95" | 8.00" | 14.08" | 12.17" | 11.51" | 11.53" | 11.62" | 11.67" | 13.97" | 13.31" | 8.92" | 11.10" | 11.82" | 8.83" | 8.60" | 13.71" | 12.82" | 8.04" | 8.43" | 16.54" | 16.12" | 5.77" | 12.73" | 10.71" | 9.03" | 12.90" | 10.71" | 11.55" | 9.54" | 14.82" | 9.24" | 12.02" | 11.87" | 6.95" | 7.76" | 12.46" | 12.61" | 12.65" | 9.99" | 8.76" | 9.75" | 11.36" | 10.95" | 12.70" | 11.91" | 14.31" | 10.84" | 15.24" | 12.39" | 13.39" | 10.90" | 10.25" | 9.83" | 11.42" | 11.90" | 13.46" | 14.40" | 14.48" | 14.40" | 9.14" | 10.18" | 12.62" | 15.79" | 8.82" | 7.03" | 15.40" | 15.07" | 15.24" | 9.31" | 8.28" | 15.46" | 10.13" | 7.39" | 13.97" | 13.04" | 12.30" | 12.88" | 12.27" | 12.48" | 10.92" | 12.57" | 19.56" | 11.15" | 8.38" | 7.47" | 8.45" | 12.73" | 10.61" | 9.09" | 10.93" | 9.72" | 11.71" | 9.01" | 17.08" | 8.13" | 8.71" | 14.61" |
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