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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 36.04" | 42.13" | 42.41" | 49.83" | 39.63" | 40.47" | 33.22" | 43.82" | 40.13" | 38.73" | 44.78" | 42.98" | 45.24" | 40.34" | 46.96" | 40.05" | 43.40" | 42.64" | 42.91" | 36.18" | 47.26" | 42.38" | 39.19" | 40.73" | 44.62" | 41.25" | 45.80" | 41.50" | 45.53" | 41.12" | 37.76" | 46.58" | 51.96" | 43.05" | 48.62" | 30.57" | 40.25" | 42.95" | 42.05" | 35.31" | 46.79" | 35.35" | 44.72" | 43.00" | 41.09" | 36.01" | 37.20" | 45.06" | 37.88" | 39.86" | 50.09" | 42.21" | 40.38" | 44.60" | 46.56" | 50.46" | 48.58" | 37.16" | 32.11" | 38.89" | 39.35" | 39.77" | 49.69" | 41.31" | 41.59" | 36.45" | 46.87" | 40.14" | 31.75" | 40.61" | 41.58" | 39.33" | 43.38" | 40.66" | 42.34" | 43.39" | 38.39" | 47.35" | 51.79" | 46.50" | 47.94" | 35.16" | 44.92" | 42.80" | 48.91" | 36.50" | 43.27" | 48.17" | 44.19" | 45.93" | 46.19" | 41.24" | 37.49" | 36.43" | 45.03" | 53.38" | 41.29" | 41.47" | 49.24" | 43.71" | 43.15" | 49.17" | 42.78" | 47.90" | 37.85" | 41.35" | 44.09" | 45.70" | 48.52" | 49.08" | 39.44" | 45.29" | 40.70" | 50.61" | 50.39" | 43.04" | 53.17" | 36.69" |
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