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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40.66" | 48.07" | 43.17" | 45.24" | 37.28" | 37.00" | 37.65" | 45.81" | 39.76" | 36.56" | 42.79" | 48.57" | 47.06" | 41.40" | 39.71" | 39.00" | 48.28" | 43.66" | 34.56" | 40.16" | 51.61" | 41.34" | 35.96" | 41.54" | 45.72" | 40.05" | 47.66" | 41.79" | 44.66" | 35.13" | 38.94" | 57.87" | 46.13" | 47.53" | 38.41" | 29.61" | 44.06" | 46.32" | 32.87" | 48.58" | 33.45" | 47.28" | 43.23" | 44.82" | 34.36" | 30.99" | 43.50" | 46.28" | 37.71" | 46.89" | 43.22" | 43.07" | 40.38" | 46.28" | 50.99" | 46.40" | 44.35" | 36.64" | 30.42" | 42.42" | 38.89" | 45.29" | 42.01" | 41.22" | 41.62" | 40.61" | 44.66" | 36.35" | 36.61" | 39.56" | 38.48" | 41.49" | 42.66" | 41.25" | 43.17" | 39.55" | 41.58" | 54.23" | 49.94" | 46.65" | 41.58" | 34.81" | 45.22" | 47.68" | 42.73" | 40.77" | 43.56" | 47.67" | 43.50" | 45.57" | 41.68" | 40.85" | 35.09" | 47.51" | 46.82" | 47.11" | 37.10" | 48.12" | 50.36" | 44.42" | 43.59" | 48.91" | 46.44" | 42.41" | 37.10" | 38.90" | 49.28" | 43.55" | 48.97" | 45.25" | 40.63" | 43.97" | 50.04" | 45.93" | 49.57" | 48.75" | 39.96" |
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