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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 23.91" | 29.14" | 33.76" | 24.98" | 25.72" | 29.79" | 26.90" | 24.98" | 27.97" | 24.43" | 31.03" | 25.51" | 28.61" | 26.84" | 30.93" | 26.18" | 28.28" | 39.20" | 22.89" | 24.38" | 24.68" | 27.73" | 36.40" | 22.94" | 29.80" | 36.90" | 26.81" | 35.82" | 36.78" | 24.03" | 15.49" | 26.28" | 35.32" | 35.96" | 36.07" | 20.14" | 19.62" | 24.61" | 30.27" | 25.60" | 28.06" | 22.66" | 24.53" | 30.59" | 27.38" | 25.55" | 21.90" | 23.07" | 24.20" | 25.88" | 24.30" | 23.99" | 23.73" | 21.75" | 30.50" | 28.88" | 22.79" | 21.89" | 27.18" | 18.91" | 30.16" | 22.50" | 23.84" | 26.77" | 26.93" | 22.67" | 28.58" | 25.33" | 31.33" | 32.56" | 28.73" | 23.06" | 33.06" | 24.83" | 23.61" | 29.12" | 26.01" | 26.60" | 38.30" | 30.64" | 32.43" | 26.67" | 27.35" | 26.66" | 35.85" | 30.14" | 27.95" | 25.85" | 32.59" | 34.37" | 24.10" | 20.59" | 17.26" | 17.50" | 35.04" | 21.39" | 30.97" | 26.42" | 24.16" | 35.78" | 29.36" | 30.28" | 32.76" | 36.57" | 22.66" | 25.95" | 24.32" | 28.09" | 32.13" | 31.76" | 26.87" | 23.52" | 15.00" | 27.79" | 31.10" | 33.17" | 31.05" | 21.56" |
Display comma-delimited data.
For more information about content specific to this page, please Contact Us.