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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9.89" | 11.62" | 7.17" | 15.93" | 9.12" | 10.52" | 9.93" | 13.15" | 9.39" | 14.33" | 13.13" | 9.47" | 13.72" | 7.54" | 10.23" | 11.47" | 13.11" | 14.68" | 8.76" | 9.49" | 10.94" | 10.32" | 13.48" | 16.19" | 13.68" | 12.31" | 9.08" | 10.35" | 10.65" | 12.40" | 12.35" | 12.32" | 12.54" | 11.82" | 9.02" | 7.13" | 10.42" | 10.99" | 11.51" | 8.25" | 8.43" | 12.32" | 10.42" | 14.22" | 10.96" | 8.17" | 8.50" | 10.23" | 12.21" | 10.17" | 13.85" | 12.98" | 5.33" | 7.38" | 9.91" | 9.61" | 9.37" | 8.73" | 9.39" | 12.04" | 14.48" | 8.55" | 6.59" | 10.43" | 13.78" | 10.77" | 7.57" | 11.98" | 7.07" | 7.45" | 12.89" | 11.15" | 9.95" | 8.03" | 8.34" | 10.44" | 10.75" | 7.76" | 9.78" | 9.74" | 15.77" | 14.87" | 16.86" | 9.20" | 11.68" | 10.74" | 15.53" | 7.97" | 11.62" | 8.08" | 11.85" | 11.87" | 13.70" | 10.12" | 15.88" | 16.60" | 16.27" | 10.88" | 11.30" | 9.72" | 16.44" | 10.29" | 11.71" | 11.94" | 15.34" | 9.57" | 8.28" | 10.28" | 16.65" | 11.94" | 17.25" | 14.84" | 12.01" | 13.60" | 11.17" | 16.86" | 19.86" | 13.52" |
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