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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 37.95" | 40.65" | 45.06" | 42.73" | 39.78" | 41.43" | 43.66" | 45.00" | 42.80" | 35.09" | 41.49" | 38.92" | 46.50" | 36.73" | 35.67" | 32.22" | 44.75" | 41.68" | 37.35" | 34.12" | 42.39" | 38.24" | 40.51" | 41.04" | 41.25" | 41.64" | 38.22" | 39.34" | 39.45" | 35.33" | 38.33" | 40.98" | 46.19" | 44.09" | 35.96" | 32.08" | 39.58" | 43.13" | 38.23" | 39.19" | 44.89" | 42.33" | 41.34" | 44.15" | 39.32" | 33.90" | 38.08" | 44.18" | 37.81" | 43.13" | 44.32" | 41.75" | 41.18" | 40.75" | 37.07" | 44.94" | 46.01" | 44.47" | 38.19" | 42.42" | 43.37" | 36.98" | 40.81" | 39.24" | 45.99" | 40.56" | 36.92" | 37.65" | 36.96" | 30.58" | 34.31" | 36.48" | 40.49" | 37.94" | 43.10" | 41.07" | 42.74" | 51.85" | 45.52" | 40.73" | 49.15" | 41.72" | 50.33" | 44.72" | 39.56" | 36.92" | 42.37" | 45.30" | 49.04" | 35.77" | 41.39" | 42.16" | 39.47" | 40.25" | 46.34" | 45.93" | 37.33" | 44.49" | 44.79" | 38.48" | 46.12" | 48.99" | 43.89" | 39.69" | 44.94" | 38.58" | 37.48" | 42.48" | 50.28" | 48.64" | 47.75" | 52.07" | 46.61" | 46.75" | 48.00" | 51.03" | 48.30" |
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