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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 30.87" | 40.51" | 40.52" | 45.55" | 34.94" | 37.41" | 30.58" | 40.07" | 36.63" | 38.07" | 43.11" | 39.48" | 44.64" | 34.19" | 47.23" | 37.54" | 40.03" | 40.71" | 43.85" | 31.43" | 41.55" | 40.21" | 36.68" | 40.53" | 38.93" | 36.87" | 45.71" | 38.58" | 42.77" | 37.62" | 34.57" | 43.74" | 49.10" | 36.68" | 46.97" | 29.58" | 38.17" | 42.62" | 40.50" | 29.66" | 39.24" | 34.04" | 45.67" | 41.21" | 38.54" | 32.66" | 32.85" | 41.04" | 37.60" | 34.13" | 49.00" | 35.96" | 40.25" | 42.20" | 45.42" | 54.12" | 42.83" | 38.50" | 31.19" | 38.01" | 41.43" | 35.26" | 49.16" | 41.06" | 41.98" | 33.99" | 43.11" | 35.48" | 29.32" | 36.29" | 40.06" | 37.53" | 39.20" | 42.05" | 40.70" | 38.49" | 37.20" | 44.49" | 44.55" | 42.51" | 45.55" | 33.02" | 42.71" | 39.55" | 47.60" | 36.51" | 41.80" | 45.66" | 41.07" | 40.84" | 45.90" | 39.81" | 34.99" | 34.73" | 43.99" | 54.46" | 36.41" | 40.80" | 48.96" | 36.07" | 39.06" | 48.79" | 40.36" | 45.16" | 35.57" | 43.46" | 44.52" | 42.47" | 47.04" | 44.31" | 41.61" | 52.07" | 42.68" | 50.77" | 46.73" | 37.91" | 54.98" | 33.86" |
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