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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8.49" | 13.27" | 9.36" | 9.31" | 11.39" | 6.44" | 7.75" | 11.17" | 10.62" | 9.24" | 13.16" | 10.31" | 8.37" | 13.52" | 11.11" | 6.24" | 9.10" | 8.72" | 9.77" | 12.22" | 10.71" | 11.86" | 10.48" | 10.23" | 11.09" | 10.53" | 9.06" | 9.18" | 8.66" | 10.03" | 8.97" | 7.60" | 10.00" | 8.78" | 9.41" | 9.90" | 7.91" | 8.60" | 8.30" | 6.13" | 10.09" | 6.24" | 9.97" | 12.20" | 9.64" | 9.79" | 10.12" | 11.07" | 12.10" | 13.04" | 12.18" | 10.05" | 13.43" | 8.12" | 8.66" | 10.53" | 11.67" | 8.86" | 11.63" | 12.48" | 8.41" | 8.97" | 11.47" | 7.33" | 10.33" | 12.14" | 7.71" | 9.83" | 8.69" | 10.80" | 11.09" | 7.77" | 12.08" | 12.99" | 11.04" | 9.84" | 8.19" | 8.73" | 11.27" | 11.20" | 11.28" | 8.20" | 8.71" | 10.43" | 9.78" | 8.07" | 10.98" | 9.64" | 10.37" | 12.17" | 9.28" | 11.36" | 7.07" | 4.88" | 8.37" | 12.55" | 12.47" | 7.33" | 14.21" | 9.90" | 9.50" | 10.73" | 8.59" | 11.44" | 13.03" | 11.54" | 13.38" | 11.28" | 10.73" | 12.13" | 9.92" | 8.93" | 9.63" | 13.88" | 9.43" | 12.71" | 12.34" | 10.80" |
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