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 | 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 43.99" | 40.59" | 47.73" | 54.84" | 38.51" | 48.66" | 37.39" | 50.37" | 46.07" | 44.40" | 63.08" | 56.82" | 47.85" | 47.37" | 45.02" | 43.81" | 51.74" | 51.47" | 47.21" | 45.87" | 58.25" | 36.50" | 41.61" | 43.35" | 58.11" | 50.02" | 48.12" | 49.99" | 57.46" | 36.71" | 44.36" | 50.17" | 62.64" | 53.68" | 50.45" | 38.79" | 56.30" | 45.34" | 48.24" | 46.01" | 51.99" | 46.35" | 48.89" | 49.34" | 46.37" | 47.61" | 45.85" | 47.36" | 36.31" | 55.21" | 72.39" | 53.26" | 41.72" | 57.08" | 57.03" | 56.12" | 50.89" | 42.74" | 46.44" | 33.33" | 43.52" | 44.38" | 68.03" | 54.41" | 49.17" | 42.79" | 59.42" | 42.19" | 32.71" | 48.52" | 43.83" | 43.27" | 50.14" | 59.51" | 41.21" | 50.44" | 42.36" | 50.19" | 69.84" | 57.36" | 51.82" | 41.14" | 47.88" | 48.53" | 58.14" | 38.37" | 47.32" | 52.40" | 46.55" | 62.06" | 46.14" | 47.81" | 53.45" | 47.89" | 53.34" | 65.36" | 58.88" | 49.98" | 52.55" | 53.54" | 40.06" | 51.39" | 55.16" | 48.76" | 39.49" | 46.64" | 56.72" | 49.25" | 47.35" | 59.22" | 35.39" | 51.67" | 41.57" | 61.95" | 73.82" | 36.53" | 57.26" | 42.95" |
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