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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 18.12" | 14.67" | 18.85" | 15.41" | 14.41" | 13.72" | 13.79" | 13.52" | 13.33" | 15.87" | 17.51" | 19.15" | 15.91" | 16.86" | 20.34" | 14.01" | 18.67" | 18.37" | 17.17" | 19.07" | 18.76" | 18.45" | 14.32" | 18.28" | 16.64" | 17.20" | 19.04" | 15.28" | 20.82" | 13.39" | 16.62" | 16.60" | 19.57" | 16.88" | 17.62" | 17.18" | 12.66" | 13.25" | 14.40" | 10.38" | 14.80" | 15.31" | 13.80" | 18.48" | 10.40" | 16.00" | 21.95" | 18.25" | 14.21" | 16.19" | 16.40" | 16.42" | 17.66" | 14.81" | 16.76" | 12.33" | 16.49" | 13.41" | 14.03" | 11.65" | 13.39" | 11.17" | 21.25" | 14.33" | 15.66" | 13.53" | 17.36" | 12.58" | 13.44" | 13.09" | 20.06" | 12.37" | 16.52" | 13.24" | 19.29" | 15.06" | 14.58" | 15.11" | 16.20" | 12.39" | 14.12" | 12.74" | 13.57" | 14.69" | 17.03" | 15.10" | 16.18" | 17.06" | 18.62" | 17.93" | 17.31" | 17.09" | 16.50" | 14.54" | 12.77" | 17.46" | 16.31" | 16.27" | 16.86" | 14.40" | 18.83" | 16.89" | 19.92" | 16.46" | 17.91" | 14.27" | 14.76" | 10.10" | 14.21" | 17.08" | 16.37" | 16.67" | 16.42" | 14.86" | 16.69" | 15.68" | 15.24" | 10.52" |
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