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 | 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 32.25" | 38.00" | 29.91" | 47.66" | 35.16" | 38.24" | 42.39" | 39.80" | 33.40" | 33.88" | 38.64" | 40.03" | 41.02" | 35.98" | 34.14" | 35.17" | 39.99" | 38.50" | 34.57" | 39.58" | 35.95" | 39.65" | 33.05" | 40.60" | 38.56" | 39.14" | 33.59" | 36.28" | 35.23" | 41.47" | 34.00" | 35.98" | 34.34" | 45.08" | 41.54" | 32.43" | 31.80" | 43.26" | 30.52" | 36.59" | 43.30" | 42.02" | 35.76" | 38.44" | 37.45" | 35.09" | 39.19" | 37.95" | 34.32" | 35.66" | 45.56" | 36.49" | 44.65" | 44.69" | 37.03" | 34.36" | 37.69" | 35.43" | 38.52" | 28.69" | 34.04" | 34.87" | 42.94" | 34.92" | 44.36" | 38.83" | 38.34" | 38.45" | 39.49" | 43.86" | 40.38" | 36.10" | 37.56" | 34.86" | 39.35" | 37.50" | 42.70" | 40.87" | 38.69" | 40.71" | 39.89" | 37.43" | 39.79" | 37.32" | 39.03" | 28.43" | 37.93" | 42.64" | 40.03" | 32.66" | 39.77" | 41.98" | 34.04" | 33.97" | 47.22" | 35.36" | 37.01" | 46.23" | 34.65" | 46.75" | 44.16" | 41.25" | 48.57" | 34.65" | 36.51" | 32.21" | 34.38" | 42.86" | 43.52" | 44.97" | 41.27" | 37.91" | 33.87" | 35.68" | 46.23" | 31.20" | 34.14" | 40.68" |
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