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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 53.76" | 47.79" | 50.99" | 61.07" | 45.89" | 61.52" | 47.06" | 58.46" | 35.05" | 53.69" | 67.74" | 42.83" | 62.66" | 55.42" | 51.28" | 47.49" | 69.32" | 64.34" | 62.25" | 55.93" | 46.65" | 54.20" | 34.56" | 61.96" | 65.18" | 59.50" | 57.07" | 60.14" | 70.19" | 35.57" | 59.91" | 60.49" | 53.36" | 64.06" | 59.14" | 50.90" | 57.40" | 57.19" | 58.76" | 54.49" | 52.75" | 50.81" | 53.07" | 53.49" | 49.31" | 73.53" | 62.21" | 56.76" | 56.18" | 59.65" | 67.74" | 69.97" | 58.39" | 57.37" | 60.44" | 57.79" | 45.05" | 50.98" | 58.14" | 46.48" | 58.42" | 47.91" | 66.20" | 57.89" | 56.63" | 59.09" | 60.56" | 42.99" | 48.50" | 55.29" | 51.99" | 49.45" | 55.05" | 59.30" | 47.99" | 50.72" | 59.29" | 61.46" | 72.49" | 61.96" | 64.55" | 50.28" | 58.10" | 60.70" | 66.13" | 49.59" | 46.84" | 71.04" | 64.70" | 60.27" | 52.13" | 64.63" | 59.26" | 53.80" | 73.22" | 56.42" | 80.00" | 62.27" | 56.28" | 62.58" | 53.76" | 64.49" | 69.48" | 55.31" | 41.91" | 58.32" | 63.42" | 64.03" | 57.51" | 70.15" | 46.21" | 55.33" | 55.81" | 54.70" | 64.96" | 41.32" | 52.38" | 62.44" |
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