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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 51.15" | 44.34" | 48.70" | 54.83" | 44.23" | 57.07" | 57.53" | 49.76" | 53.55" | 36.66" | 50.02" | 54.93" | 48.52" | 49.92" | 48.40" | 43.85" | 47.16" | 62.89" | 46.55" | 45.49" | 49.32" | 43.89" | 47.46" | 48.88" | 54.96" | 59.63" | 40.93" | 54.64" | 52.30" | 54.37" | 40.32" | 50.03" | 40.56" | 59.93" | 70.01" | 45.41" | 36.56" | 57.12" | 42.39" | 46.69" | 44.52" | 57.59" | 53.01" | 41.50" | 48.51" | 46.83" | 43.10" | 52.34" | 45.86" | 55.03" | 53.98" | 49.23" | 61.22" | 63.09" | 47.88" | 43.93" | 45.45" | 45.03" | 58.29" | 30.99" | 41.02" | 46.45" | 54.94" | 44.84" | 56.70" | 47.24" | 54.59" | 49.30" | 50.66" | 70.66" | 47.91" | 55.52" | 49.66" | 41.98" | 49.80" | 49.28" | 57.69" | 50.54" | 57.66" | 50.86" | 60.93" | 55.54" | 48.40" | 42.55" | 55.60" | 46.61" | 42.20" | 52.92" | 56.46" | 47.54" | 47.14" | 42.96" | 45.02" | 43.80" | 55.36" | 44.13" | 57.81" | 59.60" | 45.84" | 62.88" | 49.97" | 48.55" | 57.92" | 52.48" | 40.88" | 41.75" | 42.73" | 50.72" | 57.85" | 52.51" | 56.52" | 40.63" | 39.05" | 47.75" | 62.23" | 43.64" | 39.24" | 40.91" |
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