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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 35.74" | 33.47" | 34.03" | 43.65" | 31.54" | 47.63" | 35.82" | 32.51" | 38.75" | 31.19" | 54.93" | 36.42" | 41.55" | 50.88" | 44.14" | 36.99" | 40.24" | 38.47" | 48.19" | 34.91" | 37.86" | 42.74" | 34.30" | 27.83" | 48.85" | 45.83" | 39.40" | 46.18" | 55.32" | 29.61" | 32.83" | 38.72" | 44.93" | 38.84" | 36.59" | 33.93" | 28.34" | 39.78" | 44.94" | 38.72" | 39.30" | 28.23" | 37.56" | 43.37" | 40.72" | 50.88" | 34.46" | 33.64" | 27.97" | 42.61" | 48.88" | 54.09" | 43.89" | 32.72" | 45.29" | 63.15" | 39.90" | 25.43" | 42.82" | 30.36" | 45.50" | 37.15" | 41.73" | 51.01" | 37.32" | 32.97" | 46.20" | 35.47" | 28.26" | 41.14" | 33.75" | 40.74" | 33.70" | 48.05" | 27.59" | 34.89" | 38.83" | 38.92" | 49.70" | 54.70" | 60.59" | 35.54" | 37.21" | 35.93" | 58.58" | 42.80" | 30.37" | 40.28" | 52.18" | 44.50" | 35.98" | 27.73" | 37.94" | 28.49" | 48.58" | 48.66" | 60.93" | 40.92" | 37.60" | 44.02" | 42.58" | 41.29" | 44.93" | 43.94" | 43.03" | 34.37" | 45.30" | 40.51" | 38.26" | 50.52" | 35.22" | 36.69" | 35.61" | 49.72" | 38.94" | 26.46" | 32.28" | 42.24" |
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