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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 42.64" | 40.83" | 46.45" | 36.92" | 42.03" | 41.03" | 47.24" | 44.86" | 39.35" | 37.59" | 40.51" | 41.78" | 36.89" | 38.38" | 36.59" | 38.53" | 41.34" | 40.23" | 34.97" | 40.18" | 40.27" | 41.24" | 38.15" | 42.92" | 41.57" | 38.99" | 38.35" | 36.85" | 40.10" | 39.25" | 40.04" | 42.58" | 42.96" | 39.67" | 33.05" | 37.45" | 42.41" | 40.69" | 38.91" | 40.02" | 41.65" | 47.17" | 42.36" | 37.30" | 41.30" | 32.79" | 42.50" | 42.64" | 37.03" | 48.42" | 38.40" | 42.05" | 41.00" | 37.83" | 42.09" | 44.50" | 42.58" | 42.45" | 45.40" | 42.82" | 39.43" | 33.68" | 47.02" | 40.65" | 41.69" | 39.74" | 38.30" | 35.77" | 32.64" | 34.11" | 34.67" | 39.69" | 38.30" | 40.54" | 42.50" | 40.77" | 48.64" | 45.72" | 45.12" | 47.34" | 45.80" | 45.43" | 40.98" | 49.55" | 36.81" | 39.90" | 39.65" | 46.43" | 46.90" | 40.02" | 41.31" | 41.15" | 37.92" | 44.64" | 45.59" | 40.86" | 40.80" | 42.70" | 45.09" | 39.37" | 50.75" | 42.08" | 44.08" | 41.73" | 43.20" | 35.21" | 42.21" | 49.37" | 47.13" | 50.80" | 50.67" | 43.23" | 49.86" | 47.56" | 46.47" | 56.27" | 40.89" |
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