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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 35.95" | 34.75" | 29.76" | 39.84" | 46.28" | 44.23" | 33.06" | 49.56" | 33.93" | 35.51" | 44.81" | 27.42" | 36.11" | 35.31" | 30.01" | 29.44" | 51.79" | 41.47" | 31.80" | 42.52" | 32.62" | 31.72" | 31.73" | 47.38" | 39.46" | 33.17" | 37.28" | 45.55" | 36.20" | 43.22" | 42.72" | 30.49" | 37.69" | 41.73" | 51.09" | 39.41" | 32.99" | 41.26" | 42.25" | 28.36" | 45.45" | 39.01" | 34.42" | 37.05" | 34.32" | 38.71" | 49.17" | 32.85" | 33.79" | 33.33" | 43.30" | 45.01" | 49.00" | 40.84" | 30.96" | 35.78" | 39.44" | 40.97" | 43.86" | 32.23" | 30.00" | 42.13" | 50.80" | 49.39" | 47.81" | 41.03" | 28.72" | 38.41" | 44.34" | 43.08" | 45.38" | 32.74" | 34.00" | 39.02" | 49.81" | 29.07" | 42.54" | 40.95" | 35.82" | 35.60" | 40.09" | 32.92" | 43.69" | 38.26" | 45.08" | 29.38" | 44.13" | 49.93" | 45.54" | 28.76" | 40.44" | 44.21" | 37.58" | 36.74" | 36.37" | 47.78" | 37.58" | 39.43" | 43.39" | 47.37" | 45.74" | 40.95" | 47.33" | 40.94" | 32.00" | 35.55" | 40.58" | 50.96" | 34.79" | 51.94" | 32.33" | 28.64" | 39.14" | 36.47" | 43.71" | 27.02" | 41.66" |
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