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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 48.70" | 51.87" | 52.65" | 50.29" | 49.96" | 51.42" | 47.68" | 53.08" | 42.60" | 49.83" | 51.58" | 56.21" | 49.44" | 54.64" | 45.80" | 47.76" | 64.66" | 50.55" | 40.13" | 50.72" | 59.92" | 57.34" | 42.53" | 52.67" | 67.79" | 49.98" | 55.73" | 60.82" | 50.67" | 36.14" | 49.40" | 65.48" | 56.99" | 59.94" | 45.35" | 38.15" | 58.54" | 58.08" | 46.15" | 50.47" | 42.89" | 58.81" | 53.78" | 52.27" | 40.53" | 35.01" | 46.09" | 48.31" | 50.13" | 53.52" | 57.21" | 46.25" | 49.62" | 63.47" | 68.39" | 51.18" | 51.70" | 47.91" | 42.19" | 52.59" | 49.05" | 58.61" | 55.76" | 43.93" | 48.51" | 49.58" | 60.89" | 45.66" | 50.94" | 53.71" | 41.92" | 52.63" | 46.56" | 47.15" | 52.04" | 52.28" | 53.12" | 67.39" | 66.99" | 61.31" | 50.49" | 51.00" | 49.90" | 68.71" | 50.08" | 44.06" | 52.23" | 53.27" | 58.11" | 49.88" | 39.19" | 46.74" | 43.26" | 69.76" | 50.04" | 64.87" | 54.34" | 47.21" | 64.21" | 49.39" | 58.22" | 63.47" | 56.23" | 48.43" | 45.33" | 48.19" | 60.04" | 67.72" | 54.98" | 57.27" | 45.88" | 36.26" | 49.17" | 61.15" | 55.14" | 57.28" | 51.50" |
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