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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 11.61" | 15.14" | 12.93" | 10.80" | 12.07" | 10.29" | 9.69" | 10.19" | 9.63" | 17.88" | 14.62" | 15.81" | 13.25" | 14.25" | 13.30" | 12.30" | 15.39" | 12.48" | 14.60" | 17.97" | 14.55" | 15.25" | 10.52" | 14.42" | 17.22" | 12.75" | 15.96" | 11.66" | 15.80" | 9.28" | 16.95" | 12.34" | 15.07" | 12.25" | 14.26" | 14.68" | 14.74" | 12.48" | 11.18" | 12.44" | 11.84" | 14.76" | 13.26" | 12.95" | 12.41" | 19.06" | 17.88" | 12.10" | 13.82" | 11.91" | 11.64" | 13.73" | 12.88" | 13.15" | 11.74" | 11.14" | 14.32" | 10.57" | 10.39" | 11.12" | 10.91" | 11.43" | 15.53" | 11.44" | 13.26" | 11.47" | 13.94" | 10.34" | 12.14" | 12.91" | 14.37" | 11.70" | 14.94" | 12.69" | 13.58" | 11.66" | 11.52" | 18.85" | 9.73" | 13.58" | 11.67" | 10.61" | 15.27" | 16.17" | 15.07" | 10.83" | 14.53" | 17.07" | 14.60" | 18.59" | 14.93" | 17.25" | 13.85" | 12.17" | 11.33" | 14.46" | 17.23" | 17.00" | 12.90" | 15.80" | 10.34" | 15.22" | 16.34" | 14.58" | 12.70" | 14.24" | 8.58" | 12.08" | 11.79" | 18.36" | 10.38" | 15.70" | 12.97" | 12.94" | 13.74" | 12.98" | 10.58" |
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