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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 31.30" | 37.40" | 33.36" | 47.84" | 32.71" | 40.05" | 37.85" | 35.13" | 36.67" | 35.24" | 31.69" | 37.07" | 37.13" | 29.86" | 33.94" | 29.77" | 34.10" | 30.95" | 34.85" | 29.33" | 34.75" | 34.50" | 33.81" | 30.73" | 38.76" | 39.51" | 35.85" | 37.31" | 32.43" | 29.96" | 34.16" | 34.04" | 39.38" | 36.49" | 33.44" | 28.84" | 39.63" | 43.20" | 45.06" | 40.50" | 37.91" | 42.11" | 43.34" | 50.30" | 34.51" | 40.29" | 28.56" | 41.42" | 37.65" | 37.73" | 43.73" | 37.05" | 37.40" | 41.65" | 32.71" | 36.33" | 43.60" | 38.28" | 48.04" | 48.14" | 50.01" | 39.21" | 27.77" | 47.12" | 42.69" | 41.51" | 39.72" | 39.44" | 34.62" | 29.86" | 26.70" | 34.24" | 40.12" | 37.86" | 40.99" | 37.10" | 37.08" | 52.85" | 43.78" | 40.40" | 50.87" | 38.72" | 47.65" | 37.82" | 52.10" | 34.11" | 36.62" | 44.16" | 53.88" | 47.36" | 39.32" | 42.13" | 43.19" | 40.88" | 48.71" | 46.65" | 44.45" | 38.82" | 38.99" | 42.95" | 38.74" | 54.60" | 37.51" | 49.95" | 44.07" | 46.46" | 38.23" | 42.16" | 47.27" | 43.64" | 54.19" | 52.56" | 40.51" | 54.20" | 47.96" | 47.54" | 57.20" | 37.59" |
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