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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 42.77" | 54.87" | 45.73" | 59.37" | 58.06" | 55.85" | 54.51" | 58.81" | 47.94" | 50.74" | 61.85" | 46.36" | 50.05" | 48.67" | 45.59" | 51.48" | 59.56" | 59.94" | 45.60" | 53.15" | 45.68" | 47.44" | 46.29" | 56.75" | 56.53" | 49.77" | 47.40" | 57.83" | 53.05" | 57.50" | 54.85" | 49.10" | 51.50" | 57.99" | 63.22" | 56.89" | 39.24" | 58.76" | 53.79" | 46.22" | 59.70" | 54.88" | 49.29" | 47.18" | 55.39" | 53.38" | 61.68" | 47.27" | 51.33" | 47.37" | 63.91" | 59.00" | 69.57" | 55.69" | 54.52" | 49.54" | 53.91" | 49.93" | 63.53" | 43.58" | 44.14" | 51.35" | 68.38" | 59.60" | 65.10" | 59.20" | 40.89" | 53.53" | 57.76" | 55.67" | 62.21" | 47.51" | 48.86" | 58.50" | 67.41" | 44.43" | 55.30" | 55.23" | 46.27" | 55.54" | 55.49" | 47.20" | 56.14" | 56.89" | 58.87" | 41.37" | 55.38" | 66.12" | 60.53" | 41.78" | 57.85" | 60.59" | 50.55" | 48.82" | 52.36" | 59.61" | 50.39" | 61.66" | 49.72" | 64.99" | 65.55" | 53.76" | 66.41" | 48.60" | 48.34" | 45.33" | 55.73" | 65.95" | 54.14" | 66.51" | 53.11" | 42.14" | 51.27" | 58.59" | 57.82" | 41.88" | 47.87" |
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