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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 39.32" | 43.67" | 42.56" | 40.66" | 40.17" | 43.91" | 44.46" | 47.05" | 39.00" | 36.84" | 41.11" | 36.00" | 46.42" | 35.41" | 36.37" | 35.67" | 42.03" | 39.22" | 40.84" | 38.30" | 39.19" | 40.95" | 36.06" | 42.42" | 42.24" | 39.19" | 43.15" | 33.01" | 41.01" | 35.63" | 39.17" | 41.81" | 49.03" | 37.57" | 36.49" | 35.95" | 37.04" | 44.58" | 36.88" | 41.07" | 42.58" | 45.09" | 42.43" | 40.40" | 39.66" | 35.47" | 38.51" | 42.96" | 36.17" | 46.20" | 43.74" | 42.47" | 39.68" | 38.80" | 39.20" | 45.20" | 44.92" | 42.37" | 41.19" | 44.32" | 41.46" | 33.83" | 45.28" | 38.56" | 44.72" | 41.17" | 35.40" | 37.21" | 36.44" | 30.55" | 33.28" | 41.11" | 37.12" | 41.28" | 41.59" | 41.60" | 46.28" | 48.80" | 44.77" | 43.14" | 48.84" | 40.92" | 48.71" | 44.35" | 39.64" | 38.18" | 42.61" | 42.90" | 51.62" | 34.80" | 43.94" | 39.47" | 39.33" | 42.63" | 45.82" | 43.06" | 40.30" | 40.74" | 48.88" | 33.56" | 51.27" | 46.13" | 46.30" | 35.14" | 49.02" | 36.10" | 37.01" | 46.80" | 50.93" | 45.10" | 53.20" | 46.62" | 49.41" | 48.96" | 43.65" | 54.47" | 44.54" |
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