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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 50.48" | 54.95" | 48.11" | 54.27" | 57.89" | 61.04" | 49.99" | 57.30" | 47.59" | 54.96" | 60.09" | 44.15" | 52.27" | 46.84" | 53.01" | 44.21" | 67.17" | 47.03" | 47.86" | 57.28" | 44.97" | 44.79" | 47.63" | 58.27" | 56.94" | 45.29" | 56.12" | 51.63" | 60.32" | 48.07" | 64.56" | 39.01" | 61.67" | 57.56" | 58.48" | 44.04" | 55.72" | 54.70" | 52.37" | 49.90" | 56.70" | 59.19" | 43.65" | 53.28" | 48.20" | 60.28" | 53.77" | 50.81" | 53.87" | 51.99" | 58.73" | 70.57" | 62.83" | 56.13" | 47.80" | 50.06" | 50.29" | 63.30" | 49.10" | 43.82" | 44.42" | 61.92" | 56.71" | 73.19" | 63.67" | 44.62" | 50.06" | 49.72" | 62.95" | 56.99" | 58.31" | 45.86" | 54.30" | 60.25" | 57.63" | 47.13" | 52.12" | 56.06" | 50.82" | 56.42" | 50.56" | 47.13" | 54.86" | 62.56" | 52.31" | 42.69" | 62.55" | 63.33" | 55.47" | 51.47" | 52.87" | 58.29" | 53.88" | 47.79" | 46.05" | 64.84" | 57.82" | 50.36" | 65.42" | 63.30" | 54.35" | 57.94" | 64.26" | 50.76" | 43.54" | 54.75" | 54.60" | 65.10" | 59.07" | 61.95" | 42.55" | 46.11" | 55.41" | 52.15" | 53.82" | 47.44" | 54.82" |
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