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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 38.01" | 33.31" | 34.59" | 32.03" | 35.42" | 38.29" | 42.67" | 29.26" | 39.67" | 29.92" | 36.35" | 40.24" | 30.83" | 37.24" | 37.98" | 34.14" | 28.30" | 41.37" | 34.24" | 27.30" | 33.90" | 34.12" | 34.49" | 30.58" | 40.53" | 40.57" | 29.72" | 40.89" | 37.63" | 35.90" | 26.96" | 35.66" | 28.66" | 41.33" | 41.52" | 27.58" | 30.25" | 34.56" | 35.08" | 36.89" | 34.47" | 40.89" | 40.69" | 32.88" | 41.77" | 37.06" | 31.66" | 37.45" | 34.82" | 39.46" | 35.72" | 39.34" | 37.99" | 39.43" | 39.88" | 32.04" | 29.27" | 34.74" | 36.64" | 26.29" | 33.86" | 31.92" | 34.97" | 38.81" | 39.46" | 38.46" | 41.26" | 35.63" | 33.18" | 43.93" | 36.16" | 37.95" | 34.72" | 30.03" | 36.62" | 35.55" | 39.32" | 36.55" | 42.60" | 37.97" | 43.24" | 33.25" | 30.14" | 37.35" | 41.83" | 35.53" | 30.24" | 39.69" | 38.38" | 39.50" | 33.37" | 27.87" | 35.53" | 30.66" | 39.04" | 33.97" | 45.20" | 37.78" | 32.90" | 41.48" | 37.32" | 37.45" | 35.74" | 40.80" | 31.82" | 29.26" | 34.79" | 31.21" | 47.20" | 34.34" | 40.20" | 29.02" | 25.91" | 35.59" | 36.41" | 34.70" | 30.57" | 34.61" |
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