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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 45.34" | 44.39" | 52.71" | 47.32" | 44.82" | 46.94" | 49.83" | 48.80" | 45.26" | 34.84" | 48.09" | 36.36" | 47.98" | 37.25" | 37.57" | 32.82" | 46.92" | 44.66" | 38.57" | 32.11" | 49.02" | 44.53" | 39.15" | 47.57" | 45.80" | 47.53" | 45.56" | 45.53" | 40.67" | 41.09" | 40.44" | 39.63" | 50.89" | 48.46" | 39.15" | 34.66" | 39.44" | 44.75" | 39.34" | 39.82" | 47.07" | 44.18" | 41.76" | 50.08" | 37.75" | 32.92" | 36.45" | 40.76" | 40.65" | 46.80" | 44.18" | 42.71" | 38.38" | 37.33" | 36.13" | 44.64" | 47.35" | 47.05" | 43.11" | 46.37" | 43.29" | 32.36" | 43.83" | 34.25" | 49.25" | 39.71" | 36.65" | 42.54" | 37.71" | 28.50" | 34.83" | 40.27" | 39.09" | 43.38" | 47.49" | 37.99" | 40.35" | 49.66" | 50.65" | 37.41" | 51.76" | 41.08" | 47.26" | 42.57" | 34.89" | 38.28" | 44.89" | 47.09" | 51.93" | 32.87" | 40.39" | 42.17" | 40.19" | 39.30" | 47.74" | 47.75" | 42.17" | 40.08" | 42.67" | 36.67" | 50.06" | 48.52" | 41.17" | 45.26" | 48.64" | 38.27" | 38.02" | 40.17" | 47.64" | 47.23" | 61.27" | 58.36" | 48.31" | 56.76" | 54.27" | 49.87" | 50.89" |
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