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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 30.65" | 39.03" | 39.41" | 42.41" | 34.22" | 39.31" | 38.79" | 40.95" | 39.87" | 36.43" | 35.17" | 37.08" | 38.23" | 32.84" | 35.53" | 33.78" | 35.95" | 38.18" | 36.82" | 32.12" | 36.79" | 36.21" | 37.81" | 35.72" | 39.66" | 39.43" | 34.37" | 36.20" | 34.00" | 36.23" | 37.19" | 37.66" | 39.94" | 38.40" | 37.77" | 29.75" | 35.39" | 39.49" | 38.66" | 35.77" | 37.21" | 39.60" | 42.62" | 39.96" | 34.12" | 38.51" | 29.53" | 39.48" | 37.99" | 35.93" | 45.17" | 35.14" | 39.00" | 39.00" | 33.68" | 39.37" | 40.60" | 38.14" | 38.58" | 41.81" | 38.80" | 38.45" | 30.10" | 42.01" | 39.26" | 38.01" | 37.36" | 35.49" | 32.67" | 30.54" | 30.45" | 33.01" | 36.78" | 34.36" | 36.29" | 36.39" | 37.17" | 45.67" | 40.48" | 38.38" | 43.60" | 42.05" | 42.81" | 35.94" | 45.76" | 34.63" | 38.23" | 36.18" | 44.28" | 40.93" | 36.71" | 39.23" | 37.31" | 35.42" | 43.20" | 44.12" | 35.35" | 37.48" | 39.35" | 41.28" | 36.50" | 48.24" | 36.53" | 41.24" | 40.12" | 40.85" | 31.58" | 39.75" | 45.62" | 42.07" | 46.85" | 47.22" | 40.41" | 45.08" | 41.88" | 41.87" | 52.23" | 37.25" |
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