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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 38.71" | 43.71" | 43.70" | 47.85" | 37.49" | 42.96" | 41.87" | 54.03" | 39.72" | 46.34" | 55.16" | 42.00" | 51.38" | 38.47" | 37.83" | 41.84" | 43.00" | 40.65" | 39.63" | 44.68" | 35.60" | 43.51" | 36.78" | 54.34" | 48.87" | 39.17" | 42.54" | 38.50" | 51.37" | 36.02" | 43.93" | 41.15" | 52.50" | 39.19" | 33.76" | 41.53" | 38.97" | 60.80" | 47.47" | 49.09" | 58.64" | 53.94" | 44.87" | 53.20" | 40.29" | 39.04" | 38.04" | 38.72" | 40.19" | 54.31" | 50.09" | 36.93" | 56.46" | 46.65" | 38.68" | 41.08" | 55.18" | 49.00" | 36.70" | 45.05" | 39.69" | 39.66" | 62.95" | 40.16" | 42.36" | 50.07" | 38.82" | 37.38" | 37.53" | 37.69" | 29.37" | 52.15" | 33.09" | 42.27" | 45.65" | 43.70" | 50.76" | 52.75" | 41.65" | 51.05" | 40.49" | 35.62" | 58.33" | 51.70" | 43.35" | 38.09" | 41.89" | 48.40" | 53.86" | 37.28" | 35.61" | 40.20" | 41.34" | 55.18" | 49.04" | 41.40" | 39.81" | 43.83" | 56.18" | 32.82" | 56.55" | 48.02" | 49.02" | 35.75" | 56.27" | 46.16" | 30.72" | 63.64" | 52.05" | 45.71" | 44.46" | 46.25" | 39.07" | 49.35" | 54.95" | 50.24" | 29.15" |
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