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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 44.58" | 49.19" | 52.87" | 52.09" | 49.79" | 53.56" | 48.14" | 51.25" | 49.29" | 42.40" | 52.34" | 55.57" | 51.45" | 47.47" | 53.18" | 47.00" | 54.99" | 57.01" | 49.29" | 44.95" | 55.45" | 52.40" | 53.37" | 49.05" | 58.86" | 58.82" | 51.73" | 56.62" | 59.87" | 48.73" | 41.33" | 55.53" | 57.70" | 54.99" | 62.57" | 41.36" | 43.59" | 59.86" | 51.20" | 46.87" | 50.26" | 47.31" | 56.32" | 50.01" | 51.08" | 43.14" | 35.67" | 50.32" | 41.61" | 53.95" | 57.41" | 54.28" | 44.22" | 58.55" | 57.89" | 64.50" | 59.62" | 42.40" | 46.07" | 46.45" | 50.52" | 51.51" | 66.13" | 43.64" | 51.51" | 44.68" | 54.53" | 55.20" | 42.25" | 57.46" | 46.36" | 48.91" | 53.68" | 44.24" | 49.88" | 50.12" | 50.48" | 62.09" | 65.35" | 61.57" | 62.86" | 47.46" | 55.97" | 50.04" | 66.68" | 44.72" | 46.95" | 57.72" | 55.05" | 56.64" | 43.37" | 44.95" | 42.86" | 46.46" | 65.16" | 60.51" | 60.22" | 49.64" | 48.49" | 62.08" | 52.09" | 60.31" | 57.34" | 57.81" | 46.24" | 45.62" | 55.19" | 60.12" | 63.10" | 62.24" | 45.83" | 49.31" | 38.19" | 50.57" | 61.44" | 52.04" | 61.86" | 46.94" |
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