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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 41.66" | 38.72" | 35.56" | 37.95" | 43.20" | 36.48" | 53.43" | 33.00" | 42.42" | 35.37" | 41.81" | 50.01" | 37.18" | 47.17" | 41.80" | 40.23" | 30.06" | 40.80" | 41.76" | 30.97" | 39.56" | 41.34" | 44.85" | 36.41" | 39.88" | 44.25" | 34.41" | 46.11" | 37.67" | 48.21" | 27.66" | 33.08" | 31.91" | 49.99" | 47.23" | 28.22" | 34.29" | 32.70" | 36.03" | 43.41" | 39.77" | 45.34" | 42.08" | 40.15" | 42.74" | 36.23" | 31.46" | 39.14" | 37.64" | 43.77" | 43.40" | 41.95" | 38.48" | 39.76" | 44.96" | 37.34" | 30.99" | 40.30" | 37.76" | 32.12" | 43.49" | 38.56" | 40.30" | 40.63" | 42.63" | 44.08" | 41.89" | 43.49" | 34.97" | 43.50" | 39.68" | 40.24" | 37.80" | 29.90" | 41.05" | 34.42" | 43.15" | 39.26" | 42.08" | 44.21" | 47.23" | 33.68" | 34.15" | 38.71" | 49.71" | 35.83" | 32.70" | 39.74" | 38.03" | 45.38" | 34.65" | 27.55" | 40.68" | 32.28" | 49.09" | 34.57" | 40.94" | 39.01" | 36.59" | 40.91" | 41.86" | 45.86" | 36.17" | 46.26" | 44.22" | 40.25" | 33.69" | 34.00" | 53.71" | 41.96" | 35.88" | 38.24" | 26.62" | 37.04" | 37.23" | 40.25" | 37.01" | 37.96" |
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