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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40.37" | 43.01" | 40.50" | 43.83" | 39.47" | 41.60" | 46.60" | 45.56" | 39.49" | 36.91" | 41.30" | 37.70" | 44.90" | 36.39" | 36.08" | 33.20" | 43.28" | 40.71" | 39.52" | 36.46" | 42.49" | 38.71" | 37.77" | 41.50" | 42.14" | 39.93" | 42.21" | 35.02" | 39.38" | 37.60" | 36.67" | 41.50" | 48.90" | 39.84" | 36.95" | 34.43" | 37.46" | 41.84" | 39.92" | 41.53" | 41.19" | 44.45" | 43.60" | 40.55" | 39.96" | 35.11" | 38.13" | 43.36" | 37.32" | 45.69" | 42.14" | 44.22" | 39.03" | 38.52" | 38.60" | 46.52" | 43.85" | 43.40" | 39.09" | 41.36" | 45.76" | 35.76" | 43.06" | 38.20" | 46.31" | 40.44" | 35.27" | 36.94" | 37.26" | 29.56" | 34.37" | 39.15" | 39.38" | 40.52" | 41.37" | 40.26" | 48.64" | 47.86" | 44.56" | 42.67" | 48.44" | 40.90" | 49.46" | 43.26" | 41.70" | 37.82" | 42.76" | 42.10" | 52.10" | 34.35" | 43.46" | 40.41" | 38.40" | 43.17" | 44.08" | 43.51" | 41.30" | 41.97" | 46.53" | 36.66" | 50.89" | 44.13" | 47.74" | 34.94" | 48.65" | 36.88" | 37.54" | 44.28" | 50.14" | 47.09" | 52.92" | 46.77" | 49.32" | 47.93" | 45.05" | 49.49" | 49.19" |
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