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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 46.45" | 47.22" | 46.26" | 51.46" | 51.17" | 47.73" | 62.28" | 45.60" | 49.11" | 43.29" | 54.56" | 54.56" | 51.68" | 56.11" | 48.14" | 47.61" | 42.75" | 48.51" | 50.08" | 50.07" | 46.84" | 49.90" | 51.14" | 49.14" | 45.94" | 56.51" | 42.90" | 55.32" | 46.16" | 56.61" | 36.14" | 39.28" | 45.17" | 58.60" | 61.97" | 36.48" | 44.80" | 49.21" | 38.82" | 55.64" | 51.14" | 60.44" | 47.62" | 49.78" | 48.82" | 43.13" | 39.20" | 52.75" | 42.79" | 51.14" | 57.14" | 51.47" | 51.61" | 54.65" | 54.03" | 44.72" | 43.05" | 49.35" | 48.55" | 38.96" | 48.46" | 49.87" | 55.12" | 49.40" | 57.94" | 48.22" | 54.04" | 52.43" | 45.49" | 54.18" | 47.64" | 46.19" | 48.79" | 40.17" | 50.42" | 46.00" | 56.60" | 52.94" | 53.09" | 53.82" | 55.63" | 45.80" | 52.95" | 46.66" | 57.10" | 41.17" | 46.06" | 49.51" | 53.19" | 51.58" | 45.69" | 43.61" | 46.12" | 38.85" | 62.56" | 49.78" | 46.88" | 54.84" | 46.59" | 51.09" | 54.44" | 55.89" | 51.11" | 52.64" | 52.49" | 42.56" | 41.14" | 45.72" | 64.15" | 51.67" | 51.28" | 53.33" | 34.37" | 47.73" | 56.83" | 44.51" | 47.66" | 48.97" |
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