Choose from the options below and click "Plot" to create a time series graph.
Data are available from January 1895 through April 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 33.96" | 32.89" | 37.84" | 38.63" | 34.90" | 30.80" | 37.70" | 41.30" | 35.44" | 30.47" | 34.76" | 32.79" | 38.57" | 29.44" | 28.51" | 28.45" | 36.75" | 34.93" | 30.47" | 29.18" | 35.35" | 32.63" | 33.62" | 33.26" | 34.42" | 35.65" | 31.87" | 33.10" | 30.32" | 30.67" | 34.02" | 34.63" | 38.96" | 34.09" | 30.53" | 24.48" | 34.17" | 34.57" | 32.09" | 33.69" | 38.60" | 34.12" | 35.05" | 38.59" | 30.17" | 30.05" | 32.08" | 35.58" | 31.49" | 33.54" | 36.71" | 32.40" | 31.52" | 33.86" | 31.70" | 38.09" | 37.13" | 35.20" | 29.78" | 37.33" | 36.36" | 30.52" | 33.23" | 34.20" | 38.04" | 31.84" | 30.95" | 32.48" | 30.84" | 26.36" | 29.11" | 28.88" | 33.24" | 31.13" | 36.00" | 35.47" | 35.03" | 41.50" | 37.73" | 34.94" | 41.83" | 36.22" | 43.77" | 35.94" | 33.16" | 29.82" | 36.27" | 33.28" | 37.86" | 30.31" | 35.79" | 35.11" | 32.93" | 30.69" | 36.64" | 39.55" | 31.88" | 37.22" | 37.58" | 32.96" | 36.31" | 42.65" | 36.15" | 34.78" | 35.12" | 34.15" | 28.60" | 35.25" | 40.95" | 40.51" | 39.79" | 44.12" | 40.25" | 38.72" | 42.71" | 39.63" | 40.83" | 35.66" |
Display comma-delimited data.
For more information about content specific to this page, please Contact Us.