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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 49.74" | 55.58" | 45.89" | 55.71" | 58.07" | 64.94" | 44.31" | 61.08" | 44.76" | 58.70" | 59.60" | 44.42" | 50.95" | 49.12" | 45.54" | 45.61" | 69.36" | 50.01" | 44.94" | 54.46" | 47.08" | 49.04" | 41.95" | 61.60" | 56.77" | 40.20" | 57.78" | 56.56" | 54.34" | 51.04" | 66.17" | 39.89" | 62.69" | 55.79" | 57.90" | 47.69" | 49.44" | 57.72" | 52.82" | 51.75" | 53.05" | 57.11" | 46.31" | 55.60" | 50.52" | 53.24" | 61.03" | 48.22" | 50.83" | 54.53" | 58.08" | 63.86" | 67.77" | 57.94" | 45.50" | 48.54" | 51.92" | 62.28" | 52.13" | 44.84" | 41.67" | 62.97" | 56.14" | 69.11" | 69.27" | 46.34" | 48.40" | 49.43" | 61.49" | 57.52" | 60.46" | 46.17" | 50.42" | 59.44" | 61.17" | 45.37" | 51.19" | 60.50" | 51.73" | 52.24" | 50.08" | 49.16" | 55.99" | 62.27" | 49.86" | 45.08" | 61.17" | 60.95" | 58.82" | 48.19" | 52.81" | 57.47" | 57.03" | 47.52" | 46.80" | 65.30" | 53.86" | 50.88" | 63.01" | 63.25" | 57.56" | 55.88" | 68.39" | 48.84" | 46.65" | 54.18" | 52.02" | 66.91" | 59.43" | 58.53" | 47.15" | 42.82" | 57.32" | 53.01" | 55.64" | 42.63" | 58.46" |
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