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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 35.03" | 39.98" | 43.25" | 40.95" | 40.82" | 35.48" | 37.94" | 43.99" | 44.69" | 32.87" | 41.60" | 50.42" | 45.23" | 37.30" | 34.86" | 36.22" | 40.47" | 38.75" | 37.09" | 31.37" | 40.07" | 34.13" | 42.53" | 29.89" | 52.78" | 47.21" | 33.00" | 37.72" | 40.28" | 46.08" | 33.51" | 43.07" | 38.02" | 47.39" | 38.22" | 26.33" | 38.95" | 45.37" | 48.71" | 51.27" | 52.43" | 45.99" | 50.28" | 46.60" | 45.17" | 39.99" | 30.94" | 41.24" | 35.94" | 43.21" | 47.03" | 38.37" | 37.98" | 56.34" | 38.99" | 37.62" | 38.99" | 47.31" | 45.17" | 35.37" | 39.64" | 44.34" | 33.62" | 53.44" | 40.05" | 41.89" | 43.82" | 35.42" | 34.39" | 32.77" | 30.63" | 35.59" | 43.37" | 28.03" | 40.32" | 37.66" | 47.39" | 48.32" | 39.58" | 34.64" | 52.78" | 36.79" | 34.01" | 43.51" | 54.54" | 39.79" | 34.07" | 38.46" | 49.21" | 42.47" | 40.20" | 31.54" | 34.47" | 38.72" | 57.57" | 41.07" | 38.56" | 37.43" | 42.06" | 47.81" | 37.55" | 52.07" | 39.93" | 39.61" | 44.18" | 45.51" | 38.03" | 45.33" | 53.66" | 42.28" | 44.66" | 45.00" | 34.88" | 38.09" | 49.14" | 42.79" | 43.23" | 30.26" |
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