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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 34.39" | 47.52" | 46.81" | 48.58" | 37.70" | 55.91" | 45.45" | 48.46" | 39.62" | 42.73" | 33.90" | 42.80" | 43.84" | 36.11" | 47.85" | 35.84" | 36.66" | 45.56" | 38.62" | 35.68" | 38.90" | 42.17" | 47.38" | 42.57" | 41.17" | 49.13" | 35.17" | 43.42" | 39.96" | 37.37" | 43.82" | 40.75" | 41.67" | 41.26" | 38.11" | 38.71" | 38.84" | 40.98" | 38.26" | 36.65" | 36.84" | 44.34" | 39.13" | 40.05" | 32.47" | 37.28" | 29.24" | 35.57" | 40.49" | 34.61" | 42.02" | 32.70" | 36.55" | 34.27" | 33.62" | 38.10" | 44.88" | 32.24" | 41.09" | 51.36" | 32.86" | 35.03" | 28.92" | 42.01" | 40.42" | 39.32" | 38.82" | 36.72" | 39.76" | 30.50" | 29.16" | 34.06" | 35.52" | 31.24" | 40.97" | 35.47" | 33.22" | 40.89" | 42.65" | 38.05" | 34.70" | 44.80" | 42.63" | 31.82" | 46.25" | 33.52" | 41.02" | 34.33" | 48.11" | 39.01" | 31.53" | 37.55" | 33.04" | 36.01" | 37.98" | 43.78" | 40.32" | 34.28" | 37.63" | 37.71" | 38.27" | 44.34" | 35.90" | 42.89" | 42.33" | 38.45" | 27.57" | 37.25" | 38.76" | 32.95" | 55.68" | 47.49" | 42.83" | 50.15" | 44.70" | 43.77" | 46.27" | 42.20" |
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