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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 29.89" | 29.18" | 31.75" | 34.72" | 52.36" | 26.14" | 40.61" | 41.95" | 33.58" | 46.88" | 37.50" | 39.61" | 36.08" | 26.03" | 26.43" | 24.14" | 30.88" | 43.02" | 48.28" | 31.39" | 28.16" | 17.04" | 27.65" | 58.02" | 39.66" | 29.12" | 42.79" | 38.16" | 33.64" | 30.87" | 37.24" | 28.21" | 30.44" | 36.51" | 36.63" | 27.81" | 36.44" | 27.74" | 31.91" | 43.90" | 44.89" | 24.27" | 32.64" | 24.44" | 37.76" | 49.23" | 37.64" | 27.89" | 37.63" | 35.20" | 47.22" | 26.30" | 26.33" | 37.80" | 25.67" | 26.87" | 29.07" | 29.37" | 18.72" | 24.80" | 16.96" | 45.22" | 39.57" | 36.51" | 42.66" | 38.54" | 23.33" | 21.95" | 29.09" | 36.22" | 33.41" | 36.36" | 44.71" | 34.44" | 35.78" | 31.67" | 38.90" | 49.88" | 37.29" | 34.82" | 44.47" | 32.85" | 32.67" | 41.65" | 31.34" | 44.74" | 26.77" | 37.71" | 26.36" | 40.69" | 34.14" | 41.44" | 21.49" | 26.65" | 29.60" | 38.98" | 55.56" | 37.47" | 37.44" | 34.89" | 24.42" | 46.22" | 44.80" | 24.96" | 35.03" | 37.71" | 42.86" | 34.43" | 48.93" | 25.25" | 26.87" | 51.17" | 20.66" | 29.54" | 39.39" | 14.25" | 32.95" |
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