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.
| 1895 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 33.62" | 39.85" | 44.74" | 46.87" | 42.91" | 39.88" | 42.99" | 48.12" | 51.34" | 39.34" | 37.36" | 41.52" | 45.30" | 37.58" | 35.69" | 35.65" | 45.23" | 39.97" | 42.30" | 32.67" | 41.12" | 32.28" | 36.94" | 32.25" | 47.59" | 44.80" | 34.61" | 36.25" | 35.25" | 40.42" | 37.81" | 39.79" | 43.79" | 43.34" | 38.93" | 31.53" | 34.50" | 42.99" | 46.10" | 42.05" | 42.11" | 40.70" | 45.55" | 49.65" | 42.01" | 45.27" | 33.54" | 44.87" | 37.16" | 43.96" | 47.00" | 36.77" | 42.60" | 46.56" | 36.84" | 40.10" | 43.25" | 50.31" | 44.21" | 37.66" | 40.60" | 43.50" | 29.58" | 52.49" | 40.12" | 43.06" | 42.06" | 40.45" | 33.02" | 32.14" | 27.55" | 36.83" | 40.12" | 36.42" | 39.68" | 36.94" | 49.46" | 51.45" | 44.21" | 38.98" | 56.06" | 36.41" | 42.45" | 43.25" | 54.51" | 37.44" | 34.72" | 37.61" | 51.25" | 47.01" | 38.23" | 39.87" | 43.12" | 39.53" | 54.75" | 44.01" | 39.03" | 37.08" | 40.35" | 45.37" | 38.38" | 51.71" | 39.91" | 40.17" | 45.13" | 41.96" | 33.51" | 42.17" | 51.77" | 44.90" | 45.58" | 49.86" | 42.60" | 41.17" | 45.80" | 42.52" | 59.16" | 37.17" |
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