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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 34.26" | 40.45" | 43.45" | 45.11" | 36.94" | 41.55" | 45.08" | 45.94" | 42.79" | 38.85" | 38.60" | 40.63" | 42.28" | 35.69" | 38.34" | 36.36" | 39.11" | 41.59" | 39.67" | 35.51" | 40.85" | 39.64" | 40.24" | 38.98" | 41.80" | 44.05" | 36.52" | 39.05" | 37.87" | 38.29" | 39.57" | 40.30" | 44.50" | 40.30" | 41.07" | 31.81" | 38.31" | 41.52" | 41.80" | 38.58" | 39.26" | 44.15" | 45.02" | 43.14" | 36.91" | 41.77" | 32.55" | 44.13" | 39.09" | 39.18" | 48.43" | 38.19" | 41.00" | 43.15" | 36.40" | 43.27" | 45.04" | 42.01" | 42.17" | 45.83" | 39.78" | 42.03" | 35.11" | 43.40" | 42.94" | 40.39" | 40.17" | 38.59" | 34.77" | 34.20" | 32.11" | 35.92" | 40.72" | 38.61" | 42.40" | 39.99" | 40.14" | 50.91" | 47.22" | 42.12" | 47.35" | 44.67" | 47.85" | 39.73" | 47.94" | 36.30" | 41.70" | 38.33" | 50.25" | 44.24" | 38.79" | 43.07" | 39.81" | 36.86" | 44.67" | 49.63" | 38.67" | 40.83" | 43.16" | 44.15" | 39.01" | 53.79" | 39.37" | 42.85" | 42.47" | 44.48" | 34.04" | 43.50" | 50.68" | 46.02" | 50.30" | 50.04" | 45.19" | 50.76" | 46.48" | 45.91" | 55.87" | 42.57" |
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