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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 39.57" | 39.00" | 41.13" | 47.32" | 36.71" | 50.27" | 38.55" | 50.39" | 35.70" | 41.85" | 47.36" | 42.71" | 50.50" | 42.02" | 39.32" | 38.08" | 42.32" | 42.69" | 35.88" | 42.08" | 40.29" | 40.53" | 41.03" | 44.88" | 42.69" | 37.10" | 46.71" | 39.05" | 45.39" | 34.63" | 37.57" | 43.24" | 45.76" | 42.68" | 32.72" | 38.63" | 34.85" | 50.06" | 37.02" | 48.17" | 45.95" | 52.83" | 44.98" | 44.47" | 43.45" | 33.88" | 39.77" | 43.23" | 37.78" | 46.65" | 45.90" | 36.47" | 48.49" | 53.32" | 39.42" | 41.32" | 46.01" | 40.48" | 35.94" | 45.98" | 36.18" | 42.26" | 54.43" | 36.40" | 46.58" | 43.97" | 45.26" | 35.85" | 38.29" | 39.43" | 31.47" | 42.51" | 36.35" | 40.21" | 37.43" | 43.79" | 51.32" | 52.00" | 44.47" | 47.37" | 39.98" | 39.33" | 53.15" | 46.51" | 46.46" | 33.81" | 45.15" | 40.87" | 53.31" | 37.04" | 38.13" | 42.49" | 40.38" | 47.22" | 46.49" | 42.37" | 40.74" | 44.33" | 51.16" | 37.27" | 50.63" | 45.77" | 51.03" | 33.30" | 49.22" | 37.57" | 30.81" | 61.13" | 51.89" | 43.67" | 39.32" | 45.43" | 38.73" | 43.19" | 48.43" | 44.06" | 45.13" |
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