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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.26" | 16.92" | 15.91" | 16.47" | 16.10" | 14.86" | 15.82" | 15.76" | 16.12" | 11.47" | 14.28" | 19.21" | 18.69" | 20.15" | 20.18" | 16.22" | 18.58" | 18.21" | 16.06" | 16.17" | 20.02" | 19.51" | 14.60" | 14.61" | 10.75" | 15.08" | 14.83" | 16.25" | 18.92" | 13.70" | 16.37" | 14.34" | 21.73" | 13.64" | 12.96" | 13.02" | 9.97" | 16.04" | 15.01" | 10.71" | 11.16" | 10.96" | 12.62" | 16.48" | 12.56" | 15.19" | 17.33" | 16.09" | 14.78" | 15.69" | 14.21" | 16.69" | 15.11" | 16.27" | 12.33" | 15.94" | 16.52" | 10.67" | 16.20" | 14.75" | 15.95" | 12.38" | 15.24" | 15.02" | 14.92" | 10.69" | 13.37" | 16.49" | 15.00" | 17.62" | 16.81" | 13.26" | 16.15" | 16.52" | 14.59" | 16.68" | 14.99" | 15.62" | 14.02" | 14.98" | 20.65" | 14.09" | 15.26" | 19.34" | 10.87" | 16.00" | 15.45" | 18.17" | 14.06" | 13.00" | 14.45" | 17.37" | 13.66" | 11.45" | 17.32" | 12.98" | 16.61" | 14.90" | 19.71" | 13.13" | 18.20" | 15.84" | 15.86" | 16.56" | 13.93" | 12.53" | 12.01" | 13.83" | 13.57" | 13.60" | 16.88" | 14.89" | 14.91" | 15.58" | 14.17" | 18.51" | 18.41" | 13.16" |
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