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.
| 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 | 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7.90" | 9.27" | 7.05" | 7.10" | 7.32" | 7.71" | 8.12" | 7.06" | 7.88" | 6.21" | 8.12" | 8.75" | 6.20" | 7.87" | 8.63" | 7.76" | 9.55" | 8.02" | 8.12" | 7.83" | 9.10" | 8.10" | 7.75" | 7.62" | 9.45" | 6.95" | 7.85" | 7.30" | 8.49" | 8.28" | 6.49" | 9.66" | 7.24" | 7.62" | 8.55" | 6.87" | 8.71" | 7.12" | 5.65" | 7.73" | 6.01" | 6.34" | 7.51" | 6.59" | 7.26" | 8.36" | 10.24" | 8.07" | 6.84" | 7.07" | 6.91" | 10.46" | 8.15" | 7.27" | 8.14" | 7.78" | 7.86" | 6.54" | 6.44" | 6.45" | 6.48" | 6.48" | 7.97" | 6.19" | 8.40" | 5.57" | 8.10" | 7.09" | 7.40" | 6.45" | 7.69" | 7.60" | 7.51" | 8.04" | 7.86" | 9.18" | 9.31" | 8.31" | 10.20" | 7.60" | 7.90" | 6.29" | 9.91" | 8.15" | 6.05" | 6.21" | 7.69" | 9.68" | 9.58" | 7.16" | 10.50" | 9.53" | 5.43" | 7.33" | 7.29" | 6.94" | 7.44" | 7.70" | 7.01" | 9.72" | 8.18" | 10.02" | 7.92" | 10.04" | 6.74" | 8.21" | 6.19" | 7.38" | 6.89" | 8.34" | 8.50" | 9.40" | 7.14" | 10.46" | 8.76" | 9.56" | 7.01" | 6.28" |
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