Choose from the options below and click "Plot" to create a time series graph.
Data are available from January 1895 through May 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 | 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 48.64" | 42.68" | 42.42" | 56.06" | 40.83" | 62.60" | 51.64" | 53.52" | 34.03" | 48.30" | 57.34" | 49.91" | 60.94" | 52.37" | 53.43" | 46.45" | 57.89" | 66.55" | 47.82" | 49.80" | 49.31" | 55.80" | 35.79" | 56.82" | 64.34" | 61.60" | 54.78" | 53.62" | 66.76" | 39.79" | 48.69" | 54.81" | 47.17" | 59.84" | 50.86" | 45.83" | 61.26" | 63.64" | 48.59" | 55.40" | 48.89" | 49.78" | 50.38" | 54.13" | 47.90" | 56.43" | 49.16" | 49.25" | 50.09" | 57.99" | 65.06" | 60.98" | 62.81" | 66.05" | 60.84" | 59.16" | 46.74" | 45.78" | 49.53" | 43.58" | 53.42" | 47.02" | 63.16" | 57.77" | 57.87" | 58.73" | 64.86" | 42.61" | 47.34" | 62.62" | 46.12" | 44.23" | 55.60" | 54.52" | 51.42" | 58.05" | 58.60" | 64.29" | 68.94" | 68.46" | 66.03" | 48.49" | 54.65" | 61.57" | 75.46" | 51.81" | 45.74" | 70.87" | 69.27" | 55.06" | 46.55" | 61.56" | 47.67" | 56.32" | 72.40" | 57.14" | 70.08" | 57.09" | 59.67" | 59.09" | 56.51" | 58.87" | 66.91" | 54.94" | 40.94" | 54.41" | 64.67" | 64.12" | 61.33" | 63.69" | 54.77" | 45.46" | 48.14" | 61.78" | 66.41" | 44.81" | 54.62" | 63.94" |
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