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 | 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 43.57" | 43.59" | 45.78" | 51.55" | 44.27" | 50.98" | 54.37" | 47.25" | 49.14" | 38.86" | 47.46" | 49.01" | 50.53" | 48.93" | 45.76" | 43.47" | 42.25" | 51.24" | 45.98" | 45.77" | 43.44" | 45.27" | 42.92" | 44.90" | 44.86" | 50.99" | 41.69" | 56.19" | 46.76" | 59.71" | 32.96" | 36.40" | 41.65" | 63.66" | 63.38" | 38.50" | 37.39" | 50.97" | 35.55" | 44.96" | 47.58" | 55.34" | 46.60" | 42.01" | 47.02" | 40.88" | 46.12" | 49.57" | 42.65" | 46.85" | 56.53" | 45.08" | 55.49" | 58.01" | 47.77" | 41.05" | 39.32" | 46.99" | 46.94" | 33.12" | 39.38" | 42.75" | 51.65" | 47.37" | 65.01" | 46.09" | 55.25" | 48.62" | 48.30" | 64.76" | 53.71" | 46.41" | 47.08" | 42.97" | 50.21" | 46.34" | 61.09" | 48.84" | 56.04" | 49.71" | 56.52" | 52.48" | 47.90" | 40.44" | 55.84" | 41.19" | 45.72" | 50.41" | 52.64" | 46.42" | 47.23" | 46.00" | 45.71" | 38.87" | 56.59" | 49.70" | 48.68" | 59.11" | 42.58" | 58.47" | 53.02" | 47.18" | 58.07" | 52.66" | 45.02" | 38.37" | 36.83" | 45.53" | 55.13" | 47.51" | 50.73" | 45.24" | 35.48" | 46.13" | 54.94" | 39.31" | 38.36" | 44.45" |
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