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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.89" | 2.91" | 1.31" | 5.29" | 1.97" | 3.18" | 2.06" | 4.55" | 4.58" | 2.70" | 2.73" | 4.41" | 3.89" | 2.36" | 1.75" | 2.08" | 3.95" | 3.00" | 5.61" | 2.03" | 2.79" | 2.04" | 5.95" | 3.01" | 3.86" | 1.81" | 2.24" | 2.34" | 3.22" | 0.45" | 4.62" | 4.50" | 5.81" | 2.21" | 3.98" | 1.80" | 2.84" | 5.15" | 3.00" | 2.18" | 2.16" | 4.25" | 5.35" | 1.93" | 4.09" | 1.77" | 3.20" | 3.58" | 5.51" | 3.09" | 3.80" | 3.09" | 1.18" | 3.17" | 2.24" | 2.47" | 2.82" | 2.01" | 2.94" | 3.99" | 6.00" | 2.50" | 2.30" | 3.68" | 6.11" | 2.67" | 2.43" | 4.24" | 0.93" | 1.94" | 3.33" | 2.81" | 3.12" | 2.98" | 2.13" | 3.94" | 2.89" | 3.46" | 3.08" | 1.57" | 3.83" | 6.16" | 5.16" | 3.22" | 4.22" | 3.71" | 4.94" | 1.64" | 3.65" | 2.64" | 2.73" | 2.81" | 3.41" | 3.05" | 4.17" | 6.27" | 3.01" | 2.65" | 3.50" | 1.10" | 6.97" | 4.96" | 1.89" | 3.47" | 3.32" | 2.32" | 1.92" | 4.45" | 5.47" | 2.26" | 9.43" | 6.36" | 4.57" | 3.68" | 5.06" | 6.35" | 4.87" | 5.64" |
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