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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40.46" | 45.11" | 42.75" | 41.91" | 43.63" | 36.08" | 40.59" | 47.44" | 34.08" | 45.63" | 36.58" | 42.84" | 39.60" | 46.27" | 38.87" | 41.20" | 57.28" | 45.76" | 33.14" | 40.75" | 47.05" | 52.56" | 35.32" | 43.28" | 52.66" | 40.84" | 47.75" | 57.16" | 41.52" | 31.59" | 35.03" | 56.75" | 46.46" | 48.16" | 33.85" | 29.43" | 49.32" | 46.27" | 37.42" | 41.44" | 30.16" | 49.99" | 42.83" | 47.11" | 36.39" | 28.92" | 33.95" | 34.58" | 42.02" | 43.70" | 42.64" | 36.23" | 39.24" | 48.91" | 56.50" | 40.21" | 42.24" | 42.84" | 37.32" | 45.67" | 40.54" | 47.91" | 37.20" | 37.67" | 36.39" | 40.58" | 50.29" | 38.06" | 43.64" | 43.82" | 32.60" | 43.97" | 36.88" | 36.57" | 43.74" | 40.77" | 42.74" | 55.35" | 49.94" | 48.85" | 39.55" | 35.41" | 36.97" | 58.49" | 40.66" | 35.58" | 40.90" | 47.27" | 47.17" | 33.73" | 27.41" | 30.29" | 31.59" | 56.43" | 36.36" | 55.20" | 43.39" | 34.76" | 55.87" | 40.49" | 40.79" | 48.94" | 49.77" | 42.43" | 36.96" | 39.86" | 41.18" | 50.24" | 44.42" | 44.00" | 36.79" | 25.51" | 39.80" | 45.72" | 46.24" | 41.42" | 34.63" |
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