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.
| 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 | 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 36.47" | 43.57" | 34.88" | 54.15" | 44.45" | 45.24" | 46.16" | 48.59" | 34.46" | 41.09" | 45.96" | 45.00" | 47.17" | 45.25" | 35.32" | 36.56" | 52.98" | 44.12" | 36.62" | 45.52" | 39.38" | 45.81" | 39.43" | 48.80" | 47.54" | 44.70" | 46.14" | 45.94" | 43.30" | 43.02" | 39.56" | 38.71" | 44.20" | 55.02" | 45.51" | 38.73" | 40.45" | 49.56" | 40.90" | 42.69" | 51.49" | 49.91" | 43.23" | 43.60" | 41.30" | 37.90" | 45.13" | 45.08" | 45.73" | 42.47" | 54.96" | 46.30" | 54.38" | 53.01" | 42.61" | 41.57" | 46.08" | 44.68" | 43.23" | 36.95" | 40.77" | 44.71" | 51.60" | 45.56" | 52.43" | 48.57" | 43.71" | 42.51" | 47.51" | 50.36" | 45.37" | 39.71" | 42.95" | 43.09" | 47.63" | 46.40" | 50.15" | 52.01" | 44.61" | 51.29" | 49.15" | 43.09" | 50.05" | 48.26" | 53.51" | 34.11" | 46.00" | 52.74" | 50.43" | 37.04" | 42.76" | 49.65" | 38.39" | 44.48" | 51.09" | 50.32" | 41.69" | 52.22" | 43.26" | 49.49" | 50.45" | 48.95" | 56.68" | 40.49" | 39.95" | 40.12" | 37.75" | 56.27" | 43.52" | 51.98" | 41.45" | 39.07" | 40.57" | 49.20" | 53.53" | 38.35" | 41.56" | 47.32" |
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