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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 42.81" | 48.52" | 45.46" | 57.03" | 45.30" | 61.78" | 43.50" | 55.62" | 42.24" | 50.54" | 57.97" | 45.98" | 60.54" | 52.65" | 45.54" | 37.34" | 51.22" | 47.95" | 43.59" | 54.33" | 53.27" | 47.77" | 44.80" | 55.76" | 48.21" | 47.71" | 55.44" | 45.21" | 48.82" | 43.63" | 42.78" | 41.71" | 53.41" | 59.31" | 44.93" | 46.29" | 39.13" | 54.19" | 43.98" | 50.78" | 54.46" | 59.33" | 45.80" | 56.62" | 42.98" | 39.76" | 43.16" | 51.25" | 45.80" | 49.66" | 58.42" | 44.59" | 55.93" | 62.07" | 46.28" | 40.95" | 49.74" | 44.90" | 44.04" | 47.64" | 46.44" | 48.30" | 59.64" | 49.96" | 57.41" | 51.47" | 49.36" | 46.44" | 51.84" | 56.02" | 43.17" | 46.76" | 41.74" | 50.35" | 46.06" | 50.62" | 52.85" | 58.20" | 52.32" | 52.56" | 47.68" | 45.59" | 57.12" | 50.10" | 50.52" | 43.44" | 48.15" | 49.94" | 59.53" | 42.37" | 41.32" | 47.29" | 42.73" | 54.27" | 52.29" | 52.73" | 46.28" | 49.69" | 51.79" | 51.84" | 52.94" | 51.87" | 58.90" | 42.72" | 55.93" | 42.67" | 36.36" | 67.68" | 50.02" | 50.83" | 48.39" | 45.90" | 43.39" | 47.57" | 54.19" | 47.34" | 48.64" |
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