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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 19.40" | 23.00" | 25.21" | 26.72" | 19.90" | 20.38" | 28.19" | 27.99" | 25.20" | 26.00" | 24.65" | 26.07" | 26.37" | 21.43" | 21.44" | 21.76" | 24.17" | 25.13" | 22.82" | 21.02" | 25.15" | 24.66" | 28.04" | 25.46" | 26.54" | 26.08" | 21.31" | 25.63" | 21.20" | 25.70" | 23.68" | 24.20" | 26.46" | 27.71" | 25.56" | 18.47" | 26.85" | 24.30" | 27.75" | 24.86" | 24.17" | 23.49" | 28.94" | 28.75" | 22.91" | 25.12" | 20.71" | 26.15" | 26.96" | 24.07" | 31.46" | 26.30" | 25.96" | 25.52" | 22.21" | 22.35" | 24.26" | 24.89" | 23.68" | 28.83" | 26.87" | 24.94" | 20.30" | 28.13" | 25.33" | 26.48" | 25.34" | 23.93" | 18.45" | 18.83" | 19.92" | 20.47" | 26.74" | 22.40" | 24.70" | 25.45" | 23.72" | 29.32" | 29.25" | 25.64" | 29.88" | 30.40" | 29.20" | 23.36" | 28.75" | 23.94" | 28.76" | 22.94" | 27.97" | 28.28" | 23.67" | 25.37" | 27.40" | 23.21" | 31.92" | 32.09" | 23.71" | 24.99" | 25.18" | 25.43" | 23.85" | 34.19" | 22.25" | 26.99" | 24.95" | 28.50" | 20.48" | 27.54" | 32.61" | 32.16" | 31.88" | 35.29" | 26.29" | 29.00" | 31.89" | 27.14" | 38.72" | 29.50" |
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