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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 47.31" | 57.52" | 47.46" | 53.72" | 49.44" | 49.62" | 47.97" | 59.41" | 40.30" | 50.81" | 46.03" | 61.47" | 52.01" | 52.98" | 47.20" | 49.26" | 67.52" | 51.62" | 41.40" | 48.49" | 61.18" | 59.69" | 42.64" | 54.62" | 69.81" | 48.87" | 61.40" | 62.94" | 48.90" | 38.47" | 50.64" | 68.58" | 56.05" | 60.26" | 48.62" | 37.81" | 56.49" | 59.38" | 45.17" | 51.68" | 40.54" | 60.97" | 53.91" | 55.19" | 40.69" | 36.74" | 40.95" | 43.80" | 52.05" | 54.87" | 56.70" | 47.51" | 46.44" | 64.24" | 64.84" | 51.19" | 55.66" | 50.53" | 40.60" | 53.25" | 50.03" | 53.54" | 56.74" | 47.85" | 47.60" | 51.27" | 58.16" | 49.92" | 48.36" | 54.58" | 40.39" | 53.70" | 45.66" | 47.93" | 52.86" | 52.62" | 49.64" | 71.43" | 65.16" | 62.18" | 56.02" | 46.57" | 57.19" | 66.85" | 61.02" | 43.71" | 51.11" | 57.55" | 60.51" | 50.12" | 38.35" | 47.83" | 41.07" | 71.80" | 51.58" | 66.86" | 53.67" | 46.95" | 65.90" | 52.79" | 55.79" | 65.50" | 61.32" | 47.74" | 44.08" | 48.95" | 57.07" | 66.80" | 58.62" | 59.46" | 43.04" | 36.28" | 52.56" | 53.37" | 62.97" | 50.64" | 49.10" |
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