Choose from the options below and click "Plot" to create a time series graph.
Data are available from January 1895 through May 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14.31" | 15.19" | 13.73" | 12.57" | 13.76" | 13.88" | 15.19" | 14.13" | 15.32" | 12.69" | 16.36" | 15.83" | 13.94" | 15.78" | 16.14" | 12.38" | 15.84" | 15.13" | 14.40" | 14.92" | 19.30" | 15.60" | 11.49" | 13.87" | 13.87" | 13.16" | 14.15" | 13.43" | 17.50" | 14.44" | 13.36" | 16.11" | 14.26" | 16.19" | 12.84" | 12.44" | 13.64" | 13.98" | 10.62" | 12.57" | 11.51" | 10.17" | 14.24" | 12.73" | 13.38" | 13.76" | 17.98" | 14.56" | 14.24" | 16.59" | 13.67" | 16.53" | 16.20" | 15.33" | 13.69" | 14.23" | 16.25" | 12.48" | 12.98" | 13.23" | 12.35" | 12.81" | 15.36" | 13.32" | 13.41" | 11.28" | 12.51" | 15.56" | 14.93" | 14.37" | 15.55" | 14.79" | 14.06" | 16.14" | 14.99" | 14.51" | 14.41" | 15.00" | 15.26" | 12.60" | 15.08" | 12.02" | 16.60" | 14.65" | 12.26" | 12.51" | 14.70" | 16.55" | 16.37" | 13.49" | 16.14" | 16.25" | 12.48" | 11.47" | 13.10" | 13.38" | 13.79" | 16.08" | 19.14" | 15.96" | 15.29" | 15.06" | 15.63" | 18.49" | 14.04" | 13.78" | 12.96" | 13.55" | 11.81" | 14.43" | 16.27" | 14.25" | 13.11" | 16.99" | 16.47" | 18.16" | 14.34" | 10.12" |
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