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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 32.07" | 36.40" | 16.93" | 14.36" | 42.28" | 36.85" | 21.35" | 33.90" | 28.08" | 43.28" | 29.66" | 53.76" | 43.06" | 50.73" | 39.16" | 42.05" | 28.40" | 38.89" | 56.44" | 38.24" | 57.18" | 30.75" | 14.62" | 30.73" | 17.37" | 55.12" | 35.18" | 38.70" | 15.56" | 25.50" | 28.70" | 38.69" | 30.49" | 27.89" | 28.36" | 19.06" | 29.59" | 20.64" | 24.16" | 26.61" | 32.78" | 19.44" | 37.67" | 25.45" | 27.26" | 41.28" | 39.60" | 36.78" | 21.85" | 24.34" | 33.92" | 17.83" | 24.39" | 31.29" | 27.28" | 41.83" | 41.19" | 36.22" | 29.50" | 28.99" | 44.32" | 16.41" | 34.09" | 31.35" | 16.40" | 25.22" | 22.82" | 32.16" | 35.91" | 40.88" | 29.57" | 33.03" | 34.12" | 38.99" | 23.64" | 32.57" | 24.84" | 33.77" | 37.74" | 25.88" | 22.28" | 11.60" | 34.66" | 28.27" | 33.86" | 22.82" | 44.36" | 47.68" | 52.03" | 24.36" | 26.69" | 21.91" | 28.04" | 22.56" | 32.19" | 14.10" | 28.76" | 36.91" | 24.88" | 40.53" | 45.84" | 51.95" | 33.26" | 34.64" | 23.59" | 20.55" | 29.44" | 30.81" | 32.97" | 25.88" | 43.67" | 28.79" | 24.37" | 13.33" | 29.70" | 34.11" | 29.78" | 35.79" |
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