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 | 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 52.51" | 48.74" | 52.26" | 62.98" | 40.21" | 64.74" | 47.44" | 49.89" | 45.91" | 45.97" | 72.00" | 46.64" | 59.51" | 55.90" | 53.97" | 48.72" | 63.12" | 66.08" | 59.64" | 58.79" | 52.51" | 49.14" | 38.21" | 56.08" | 68.83" | 58.41" | 49.88" | 63.12" | 73.68" | 39.47" | 50.59" | 60.71" | 57.73" | 60.86" | 64.41" | 50.33" | 56.43" | 53.76" | 59.58" | 55.00" | 57.66" | 48.99" | 53.52" | 52.21" | 47.60" | 75.75" | 59.63" | 57.44" | 55.55" | 59.12" | 65.82" | 72.91" | 57.03" | 55.78" | 61.11" | 60.95" | 44.18" | 49.02" | 66.51" | 41.35" | 55.03" | 49.78" | 67.78" | 56.42" | 58.68" | 51.06" | 72.05" | 42.42" | 43.58" | 54.17" | 51.46" | 54.84" | 54.95" | 54.89" | 50.54" | 50.62" | 59.12" | 56.53" | 77.51" | 60.58" | 64.78" | 51.47" | 61.30" | 52.87" | 66.68" | 53.68" | 46.80" | 66.30" | 67.32" | 59.68" | 58.01" | 57.23" | 57.21" | 60.11" | 68.40" | 59.34" | 78.53" | 65.00" | 57.41" | 58.58" | 60.80" | 56.17" | 71.38" | 60.03" | 41.90" | 52.01" | 67.66" | 62.33" | 56.57" | 71.44" | 47.86" | 60.07" | 50.76" | 54.02" | 66.08" | 43.82" | 42.76" | 69.85" |
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