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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 47.26" | 55.04" | 48.48" | 53.43" | 47.81" | 50.98" | 46.80" | 57.51" | 40.96" | 49.65" | 46.92" | 58.43" | 52.25" | 52.70" | 47.14" | 47.70" | 63.80" | 50.64" | 40.88" | 49.53" | 61.36" | 56.69" | 41.59" | 55.15" | 64.97" | 49.66" | 58.58" | 59.93" | 48.49" | 38.36" | 49.78" | 65.49" | 56.35" | 57.65" | 47.04" | 40.33" | 55.50" | 59.22" | 44.94" | 53.15" | 41.47" | 59.20" | 54.01" | 53.64" | 40.75" | 35.27" | 44.26" | 45.60" | 48.65" | 56.85" | 57.27" | 47.71" | 48.49" | 64.64" | 66.29" | 50.97" | 53.10" | 48.75" | 41.69" | 52.23" | 50.27" | 53.89" | 57.63" | 45.95" | 47.04" | 51.90" | 57.06" | 49.63" | 48.60" | 53.46" | 42.54" | 53.44" | 45.90" | 47.45" | 50.98" | 53.09" | 51.15" | 69.61" | 65.02" | 60.23" | 52.99" | 46.74" | 56.40" | 62.91" | 53.78" | 44.33" | 51.81" | 55.16" | 58.52" | 48.73" | 37.68" | 47.20" | 41.75" | 68.10" | 53.58" | 64.86" | 52.77" | 47.69" | 65.46" | 48.94" | 55.25" | 65.05" | 59.96" | 48.21" | 43.30" | 47.82" | 56.35" | 69.25" | 56.47" | 59.09" | 43.95" | 37.65" | 51.02" | 54.88" | 60.65" | 52.77" | 52.28" |
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