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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14.04" | 9.27" | 8.17" | 12.75" | 10.27" | 21.52" | 10.38" | 7.95" | 11.59" | 13.55" | 14.71" | 14.02" | 18.34" | 16.66" | 20.34" | 18.22" | 12.55" | 14.39" | 11.42" | 7.75" | 14.34" | 21.62" | 9.36" | 8.02" | 16.84" | 16.23" | 8.86" | 14.26" | 20.25" | 9.79" | 11.03" | 11.07" | 13.02" | 18.00" | 12.59" | 12.84" | 15.29" | 12.65" | 13.47" | 13.71" | 13.20" | 10.01" | 11.43" | 12.93" | 17.52" | 18.79" | 12.44" | 11.39" | 9.07" | 11.15" | 15.18" | 22.29" | 12.27" | 10.50" | 16.39" | 16.25" | 10.83" | 9.46" | 15.95" | 11.48" | 14.69" | 11.00" | 15.62" | 18.76" | 16.36" | 9.67" | 15.76" | 10.22" | 13.27" | 11.57" | 9.85" | 10.35" | 16.40" | 12.57" | 10.37" | 12.41" | 16.92" | 13.53" | 13.97" | 15.65" | 19.43" | 13.88" | 10.33" | 18.34" | 17.72" | 14.43" | 13.39" | 12.20" | 18.08" | 12.84" | 10.95" | 14.04" | 14.13" | 8.40" | 25.42" | 13.50" | 18.77" | 13.75" | 14.51" | 18.37" | 13.21" | 12.11" | 18.67" | 11.25" | 13.21" | 9.00" | 14.85" | 13.74" | 20.09" | 21.51" | 12.98" | 8.98" | 13.27" | 11.24" | 17.45" | 13.47" | 10.90" | 13.75" |
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