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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 36.22" | 47.90" | 44.49" | 34.56" | 47.51" | 38.18" | 35.66" | 41.91" | 32.66" | 33.63" | 29.94" | 36.97" | 33.14" | 33.74" | 37.73" | 35.01" | 27.52" | 37.02" | 32.72" | 34.36" | 35.72" | 35.18" | 34.70" | 31.93" | 34.26" | 35.31" | 38.34" | 25.70" | 30.75" | 29.47" | 29.18" | 34.01" | 44.16" | 32.79" | 24.16" | 28.73" | 39.39" | 42.92" | 46.63" | 39.30" | 29.86" | 33.33" | 44.12" | 29.82" | 32.14" | 37.48" | 35.97" | 35.13" | 29.44" | 26.28" | 41.39" | 39.37" | 38.24" | 46.67" | 34.20" | 47.74" | 39.58" | 24.37" | 45.39" | 39.70" | 44.11" | 38.31" | 34.51" | 41.44" | 42.58" | 38.19" | 43.89" | 35.67" | 34.25" | 40.94" | 32.07" | 36.55" | 38.30" | 44.83" | 33.00" | 37.36" | 43.48" | 44.49" | 36.54" | 42.57" | 46.18" | 30.24" | 37.54" | 31.69" | 34.05" | 40.40" | 39.50" | 42.58" | 46.42" | 41.73" | 26.57" | 37.59" | 30.96" | 35.90" | 33.01" | 46.13" | 36.53" | 33.06" | 30.26" | 38.25" | 45.61" | 49.20" | 45.86" | 43.65" | 42.56" | 30.70" | 35.25" | 32.00" | 39.46" | 34.17" | 35.14" | 45.53" | 36.99" | 33.61" | 35.43" | 43.46" | 38.76" | 47.24" |
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