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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 22.37" | 24.41" | 23.37" | 24.75" | 22.87" | 25.73" | 22.92" | 25.84" | 23.26" | 23.04" | 27.62" | 27.61" | 25.79" | 24.70" | 25.01" | 20.14" | 24.45" | 25.95" | 24.70" | 23.70" | 26.66" | 23.32" | 20.64" | 24.13" | 26.69" | 26.79" | 24.20" | 24.81" | 26.59" | 22.25" | 22.11" | 25.86" | 26.95" | 25.69" | 25.26" | 20.86" | 23.51" | 24.33" | 22.79" | 21.74" | 24.94" | 21.43" | 24.08" | 24.58" | 20.58" | 25.02" | 28.16" | 27.17" | 22.85" | 25.67" | 27.92" | 26.00" | 25.27" | 25.41" | 24.35" | 24.69" | 25.98" | 21.40" | 23.14" | 21.50" | 23.06" | 19.99" | 28.96" | 24.80" | 25.62" | 23.34" | 26.33" | 23.31" | 21.69" | 25.42" | 24.69" | 22.13" | 25.27" | 26.08" | 24.88" | 25.24" | 25.19" | 26.92" | 29.73" | 25.19" | 27.09" | 22.25" | 26.89" | 24.51" | 26.32" | 23.07" | 26.17" | 28.12" | 29.29" | 27.17" | 25.98" | 26.62" | 24.08" | 21.92" | 24.56" | 26.19" | 27.89" | 26.40" | 26.73" | 25.82" | 27.11" | 28.18" | 26.27" | 26.55" | 23.10" | 23.69" | 24.63" | 25.51" | 26.23" | 28.65" | 25.16" | 25.49" | 25.06" | 26.40" | 28.85" | 26.29" | 25.56" | 22.99" |
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