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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 39.48" | 49.37" | 51.11" | 51.35" | 40.58" | 58.35" | 54.08" | 53.91" | 43.42" | 44.89" | 37.79" | 46.98" | 48.34" | 39.64" | 50.36" | 39.26" | 40.75" | 49.43" | 43.17" | 37.99" | 43.38" | 47.74" | 50.98" | 46.68" | 43.31" | 56.21" | 37.58" | 46.62" | 43.98" | 39.74" | 47.10" | 43.89" | 47.36" | 45.23" | 42.10" | 40.96" | 41.91" | 42.71" | 41.99" | 39.78" | 38.85" | 49.91" | 41.32" | 44.43" | 36.56" | 40.53" | 32.19" | 39.14" | 41.43" | 37.65" | 45.16" | 36.65" | 38.20" | 37.68" | 35.75" | 43.71" | 49.46" | 36.57" | 45.22" | 56.40" | 33.92" | 37.81" | 34.28" | 43.41" | 43.90" | 43.47" | 41.99" | 41.18" | 41.49" | 34.29" | 30.98" | 36.85" | 40.12" | 36.55" | 48.91" | 39.38" | 35.76" | 46.34" | 51.41" | 41.01" | 39.61" | 48.84" | 47.78" | 34.51" | 48.81" | 35.63" | 45.46" | 36.32" | 54.19" | 42.10" | 33.54" | 40.47" | 36.36" | 37.25" | 39.90" | 49.14" | 42.77" | 35.97" | 42.59" | 40.48" | 41.20" | 49.89" | 38.52" | 44.73" | 45.05" | 42.64" | 29.61" | 40.35" | 44.80" | 37.08" | 61.12" | 50.44" | 47.05" | 55.38" | 49.01" | 50.01" | 49.63" | 47.90" |
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