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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14.27" | 18.15" | 14.91" | 12.34" | 16.63" | 13.61" | 14.62" | 15.17" | 12.77" | 17.56" | 12.37" | 15.52" | 16.35" | 13.30" | 15.40" | 13.46" | 12.49" | 16.50" | 14.39" | 15.84" | 13.54" | 17.96" | 14.15" | 12.30" | 14.52" | 10.52" | 15.89" | 11.31" | 13.63" | 8.11" | 14.90" | 11.30" | 16.55" | 13.21" | 11.40" | 13.26" | 13.08" | 15.63" | 14.67" | 11.86" | 12.43" | 17.15" | 16.74" | 14.54" | 11.35" | 15.68" | 13.14" | 13.15" | 14.67" | 12.13" | 16.79" | 14.69" | 13.25" | 18.13" | 11.71" | 17.94" | 14.73" | 13.20" | 19.94" | 16.05" | 12.73" | 16.27" | 15.77" | 16.76" | 15.05" | 15.44" | 17.20" | 12.54" | 14.67" | 15.28" | 13.33" | 12.11" | 15.46" | 14.17" | 15.01" | 16.26" | 17.88" | 18.05" | 9.76" | 17.30" | 16.20" | 13.70" | 9.87" | 13.77" | 12.74" | 16.05" | 14.28" | 16.75" | 18.12" | 16.25" | 8.85" | 16.17" | 13.12" | 13.51" | 14.06" | 16.23" | 15.08" | 10.88" | 16.46" | 12.08" | 17.70" | 18.77" | 17.26" | 18.54" | 16.63" | 14.85" | 9.71" | 12.97" | 15.35" | 13.52" | 13.86" | 17.43" | 11.94" | 12.77" | 14.01" | 16.88" | 17.45" | 18.28" |
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