Choose from the options below and click "Plot" to create a time series graph.
Data are available from January 1895 through May 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 23.89" | 9.82" | 19.48" | 21.40" | 20.99" | 28.06" | 12.17" | 16.86" | 18.30" | 21.44" | 30.91" | 21.55" | 18.90" | 24.78" | 13.98" | 15.49" | 18.10" | 17.29" | 12.14" | 25.12" | 24.29" | 15.10" | 13.61" | 14.20" | 25.83" | 21.73" | 21.75" | 24.81" | 18.20" | 16.04" | 11.37" | 21.31" | 22.37" | 18.63" | 19.64" | 14.95" | 14.22" | 18.16" | 17.61" | 12.18" | 24.78" | 12.76" | 14.72" | 18.59" | 15.58" | 23.76" | 26.67" | 24.92" | 14.35" | 19.31" | 24.10" | 19.16" | 16.14" | 15.35" | 18.98" | 22.29" | 15.39" | 14.59" | 17.26" | 11.87" | 17.68" | 8.40" | 30.43" | 20.13" | 19.45" | 15.04" | 16.73" | 18.43" | 13.16" | 16.03" | 16.96" | 22.32" | 15.70" | 22.97" | 19.48" | 13.93" | 16.13" | 12.98" | 22.63" | 16.83" | 20.48" | 22.37" | 17.17" | 13.96" | 24.48" | 11.91" | 22.34" | 22.81" | 17.26" | 12.79" | 17.28" | 20.59" | 18.09" | 13.75" | 25.74" | 25.57" | 20.96" | 20.69" | 14.72" | 18.84" | 25.36" | 17.99" | 21.46" | 11.40" | 16.37" | 17.35" | 16.76" | 20.19" | 14.02" | 24.56" | 14.31" | 14.37" | 34.81" | 20.22" | 20.27" | 16.30" | 8.88" | 16.59" |
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