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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.67" | 14.21" | 12.75" | 14.41" | 12.86" | 14.79" | 13.06" | 15.57" | 12.73" | 12.52" | 15.09" | 16.46" | 14.75" | 12.85" | 14.36" | 12.06" | 15.82" | 13.97" | 14.80" | 14.11" | 16.07" | 13.26" | 10.74" | 14.88" | 15.64" | 15.37" | 13.73" | 12.73" | 15.19" | 12.67" | 13.93" | 16.82" | 15.39" | 14.15" | 13.59" | 11.84" | 14.90" | 14.78" | 13.13" | 13.46" | 12.82" | 13.35" | 14.02" | 12.59" | 11.01" | 14.74" | 16.88" | 15.45" | 11.44" | 13.61" | 15.77" | 15.21" | 13.21" | 14.27" | 13.83" | 14.67" | 15.44" | 11.43" | 12.02" | 12.08" | 13.43" | 11.53" | 15.26" | 13.75" | 15.73" | 13.74" | 15.35" | 13.41" | 11.95" | 14.59" | 14.30" | 13.75" | 14.52" | 15.26" | 14.63" | 14.71" | 16.18" | 16.73" | 16.57" | 14.62" | 14.77" | 11.99" | 16.63" | 13.84" | 14.94" | 12.22" | 15.14" | 16.66" | 16.30" | 15.74" | 16.53" | 16.69" | 14.13" | 14.13" | 13.03" | 14.88" | 14.98" | 16.31" | 14.73" | 15.49" | 14.35" | 17.48" | 14.87" | 15.10" | 12.01" | 12.93" | 14.25" | 15.59" | 14.62" | 17.38" | 14.48" | 15.91" | 14.63" | 15.43" | 17.21" | 15.00" | 13.88" | 13.44" |
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