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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14.61" | 16.24" | 13.30" | 18.78" | 15.11" | 13.32" | 24.66" | 11.37" | 15.42" | 16.61" | 17.91" | 26.38" | 16.43" | 23.68" | 19.81" | 20.10" | 12.76" | 13.24" | 14.63" | 12.93" | 15.61" | 22.80" | 17.70" | 13.75" | 18.17" | 19.24" | 12.04" | 18.95" | 13.14" | 16.05" | 9.84" | 14.01" | 16.24" | 19.12" | 16.22" | 11.34" | 16.27" | 11.11" | 14.21" | 16.90" | 15.45" | 16.23" | 17.81" | 16.51" | 19.30" | 17.71" | 17.43" | 17.01" | 16.64" | 13.13" | 18.51" | 17.00" | 15.25" | 13.22" | 22.30" | 17.45" | 14.72" | 15.45" | 13.19" | 10.10" | 18.74" | 14.10" | 13.45" | 15.45" | 16.77" | 15.96" | 18.26" | 17.31" | 11.62" | 17.09" | 19.02" | 13.69" | 18.69" | 12.10" | 18.19" | 15.66" | 16.11" | 13.94" | 14.92" | 16.57" | 14.18" | 13.83" | 11.22" | 14.49" | 13.14" | 10.03" | 16.12" | 14.98" | 9.10" | 15.41" | 17.22" | 15.63" | 11.95" | 12.82" | 18.82" | 10.97" | 17.38" | 17.49" | 9.67" | 16.83" | 19.36" | 16.80" | 11.94" | 13.28" | 12.75" | 15.28" | 15.79" | 12.79" | 20.21" | 18.53" | 16.65" | 17.64" | 9.93" | 13.46" | 14.00" | 12.50" | 15.31" | 14.99" |
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