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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 30.17" | 24.93" | 25.00" | 26.23" | 26.46" | 38.56" | 20.30" | 31.07" | 30.15" | 27.72" | 37.88" | 28.89" | 30.89" | 30.24" | 21.61" | 19.61" | 26.48" | 24.03" | 32.83" | 34.72" | 29.38" | 22.61" | 14.99" | 26.31" | 41.93" | 31.39" | 26.21" | 29.94" | 36.64" | 21.66" | 23.71" | 33.11" | 25.80" | 26.55" | 28.35" | 27.14" | 27.43" | 32.69" | 23.11" | 23.04" | 34.58" | 28.57" | 25.16" | 24.98" | 23.24" | 32.09" | 40.94" | 30.35" | 22.41" | 33.38" | 29.37" | 33.25" | 23.73" | 20.70" | 34.09" | 24.98" | 20.74" | 22.41" | 23.64" | 18.01" | 22.75" | 15.52" | 37.01" | 30.78" | 30.33" | 31.90" | 28.90" | 24.32" | 19.75" | 23.75" | 26.82" | 26.93" | 25.47" | 33.20" | 29.82" | 23.87" | 28.39" | 27.06" | 35.44" | 32.27" | 27.30" | 30.71" | 22.75" | 25.87" | 31.39" | 24.45" | 32.69" | 26.97" | 25.87" | 26.13" | 30.04" | 34.19" | 30.51" | 21.25" | 25.53" | 31.70" | 37.89" | 34.16" | 27.61" | 29.58" | 27.60" | 24.71" | 34.93" | 28.49" | 22.37" | 28.28" | 29.56" | 31.36" | 24.35" | 39.90" | 22.16" | 25.59" | 37.23" | 24.80" | 29.19" | 28.76" | 15.18" | 24.57" |
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