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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 19.55" | 12.75" | 15.10" | 16.93" | 17.19" | 24.38" | 11.76" | 16.07" | 22.14" | 16.47" | 25.78" | 16.25" | 16.13" | 19.59" | 11.58" | 12.46" | 15.35" | 14.17" | 13.44" | 17.61" | 16.57" | 14.23" | 9.99" | 11.95" | 23.90" | 16.77" | 18.81" | 21.67" | 18.16" | 14.86" | 9.65" | 20.35" | 16.22" | 15.18" | 18.37" | 13.97" | 17.29" | 18.97" | 14.33" | 14.33" | 21.43" | 15.08" | 13.04" | 18.61" | 14.95" | 16.91" | 25.88" | 16.08" | 13.34" | 18.88" | 18.10" | 18.08" | 14.52" | 13.92" | 21.10" | 17.81" | 13.18" | 14.23" | 12.47" | 10.85" | 14.55" | 9.52" | 22.63" | 17.86" | 17.30" | 15.69" | 18.28" | 13.20" | 11.31" | 12.07" | 15.78" | 16.02" | 12.07" | 22.07" | 15.86" | 13.71" | 10.06" | 13.76" | 21.75" | 11.89" | 18.12" | 17.59" | 14.88" | 12.87" | 21.43" | 12.26" | 19.43" | 17.07" | 15.27" | 11.06" | 17.06" | 15.47" | 19.34" | 12.51" | 18.32" | 20.19" | 19.90" | 23.90" | 18.06" | 15.39" | 17.14" | 9.83" | 22.14" | 11.22" | 16.58" | 15.69" | 15.17" | 15.26" | 13.45" | 22.83" | 13.94" | 12.56" | 27.75" | 13.45" | 13.96" | 20.13" | 6.79" | 16.59" |
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