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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3.66" | 8.23" | 6.08" | 5.71" | 5.92" | 6.66" | 6.88" | 5.38" | 4.53" | 8.40" | 6.03" | 8.17" | 7.04" | 4.75" | 5.33" | 3.42" | 4.51" | 7.16" | 8.80" | 5.18" | 5.32" | 4.76" | 5.30" | 6.95" | 4.40" | 7.13" | 5.10" | 5.82" | 7.21" | 3.57" | 8.74" | 4.80" | 5.48" | 3.79" | 3.96" | 7.90" | 5.12" | 4.51" | 3.25" | 4.89" | 4.96" | 4.38" | 3.91" | 8.36" | 6.52" | 5.25" | 9.59" | 4.66" | 5.80" | 5.50" | 8.97" | 8.51" | 4.32" | 4.77" | 5.01" | 5.78" | 5.20" | 6.15" | 4.27" | 4.25" | 5.17" | 4.24" | 7.50" | 5.78" | 3.53" | 5.33" | 5.79" | 4.98" | 8.57" | 5.81" | 8.93" | 3.31" | 7.94" | 6.25" | 5.74" | 7.07" | 7.21" | 6.39" | 6.03" | 4.78" | 7.99" | 7.23" | 6.40" | 8.31" | 6.07" | 7.19" | 7.25" | 10.58" | 11.01" | 8.90" | 6.25" | 5.26" | 8.27" | 5.59" | 5.85" | 5.70" | 7.09" | 5.52" | 5.17" | 6.04" | 8.03" | 5.68" | 6.10" | 10.86" | 4.93" | 5.53" | 4.45" | 3.82" | 5.54" | 7.06" | 7.37" | 6.19" | 4.35" | 3.46" | 5.39" | 6.81" | 6.13" | 5.14" |
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