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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 30.70" | 34.33" | 39.16" | 33.76" | 36.48" | 34.93" | 25.33" | 29.37" | 36.12" | 28.03" | 33.48" | 28.70" | 32.59" | 32.25" | 39.02" | 33.07" | 32.03" | 41.23" | 36.44" | 24.86" | 28.04" | 36.23" | 41.26" | 30.71" | 34.58" | 38.80" | 31.09" | 40.27" | 40.75" | 32.78" | 23.23" | 25.89" | 39.53" | 36.92" | 42.17" | 26.45" | 23.08" | 35.87" | 34.67" | 28.21" | 36.24" | 28.30" | 37.56" | 35.89" | 40.32" | 28.83" | 20.82" | 27.11" | 26.66" | 31.72" | 35.94" | 35.65" | 29.36" | 34.36" | 38.37" | 45.08" | 35.59" | 26.70" | 36.48" | 30.66" | 36.13" | 35.59" | 38.24" | 29.24" | 30.29" | 26.44" | 34.35" | 37.67" | 30.92" | 35.36" | 34.52" | 27.34" | 33.17" | 27.99" | 28.67" | 29.44" | 32.03" | 35.13" | 42.80" | 39.19" | 39.82" | 31.24" | 28.90" | 28.71" | 41.74" | 31.03" | 29.23" | 32.72" | 32.89" | 36.12" | 25.07" | 21.62" | 25.06" | 23.05" | 44.83" | 33.97" | 37.27" | 28.89" | 27.44" | 44.61" | 30.98" | 35.11" | 39.38" | 42.88" | 34.55" | 30.45" | 31.07" | 33.15" | 41.02" | 34.73" | 29.92" | 29.79" | 20.98" | 31.73" | 36.19" | 34.20" | 37.87" | 26.08" |
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