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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 19.16" | 10.93" | 13.12" | 19.26" | 13.51" | 19.63" | 15.15" | 9.63" | 14.65" | 15.86" | 20.19" | 13.96" | 10.21" | 20.81" | 16.12" | 19.07" | 21.47" | 17.76" | 15.02" | 16.62" | 15.24" | 15.99" | 12.25" | 13.19" | 17.40" | 19.52" | 14.98" | 16.32" | 18.67" | 6.73" | 12.58" | 15.79" | 14.99" | 19.76" | 12.28" | 8.86" | 12.10" | 11.75" | 18.02" | 13.98" | 13.60" | 11.18" | 14.95" | 17.05" | 14.43" | 28.13" | 18.67" | 18.97" | 11.40" | 12.36" | 18.92" | 19.18" | 9.68" | 8.89" | 16.49" | 17.17" | 11.21" | 10.58" | 14.18" | 9.98" | 19.32" | 11.69" | 15.28" | 17.95" | 18.20" | 14.94" | 19.82" | 13.34" | 14.18" | 13.70" | 12.11" | 12.58" | 14.07" | 14.50" | 10.87" | 13.64" | 14.29" | 12.31" | 12.92" | 14.43" | 22.44" | 12.86" | 16.18" | 15.75" | 14.50" | 7.69" | 15.12" | 14.94" | 14.70" | 15.40" | 14.81" | 13.69" | 17.23" | 15.20" | 24.48" | 9.26" | 17.20" | 18.71" | 14.06" | 16.18" | 13.04" | 18.32" | 14.00" | 11.38" | 13.23" | 10.06" | 23.03" | 15.48" | 18.81" | 19.71" | 13.80" | 12.87" | 16.90" | 13.33" | 12.07" | 15.98" | 11.40" | 21.13" |
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