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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 35.57" | 39.69" | 42.37" | 42.15" | 40.35" | 40.52" | 38.38" | 37.92" | 39.75" | 33.06" | 40.49" | 39.73" | 40.37" | 38.36" | 45.53" | 38.15" | 38.91" | 48.58" | 42.12" | 32.96" | 38.73" | 43.20" | 48.14" | 37.30" | 40.92" | 49.85" | 41.01" | 45.01" | 49.21" | 40.01" | 27.42" | 35.49" | 45.44" | 44.73" | 49.68" | 32.46" | 29.25" | 44.20" | 42.42" | 37.37" | 40.97" | 33.60" | 45.10" | 42.56" | 44.82" | 34.27" | 26.14" | 36.56" | 34.55" | 43.07" | 42.64" | 42.44" | 34.41" | 39.81" | 44.73" | 55.23" | 41.91" | 33.99" | 39.50" | 35.62" | 41.76" | 40.29" | 47.39" | 37.02" | 37.31" | 34.31" | 39.21" | 45.57" | 36.03" | 44.72" | 40.97" | 36.53" | 40.25" | 33.13" | 36.04" | 38.20" | 40.36" | 43.00" | 48.30" | 49.94" | 49.68" | 37.31" | 40.85" | 34.78" | 53.45" | 36.85" | 36.19" | 41.47" | 37.02" | 40.08" | 33.32" | 29.14" | 30.93" | 31.33" | 54.63" | 39.51" | 43.87" | 37.99" | 35.56" | 51.28" | 38.59" | 44.72" | 47.88" | 46.77" | 37.39" | 36.48" | 39.05" | 43.90" | 51.50" | 43.38" | 38.41" | 38.46" | 25.41" | 36.39" | 46.97" | 40.67" | 45.91" | 35.55" |
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