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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 43.66" | 46.85" | 39.56" | 52.96" | 50.75" | 51.59" | 46.24" | 54.30" | 39.00" | 43.68" | 52.05" | 44.61" | 52.88" | 50.57" | 42.18" | 32.59" | 59.18" | 45.95" | 39.40" | 48.11" | 51.71" | 41.67" | 37.82" | 52.69" | 41.94" | 49.94" | 53.12" | 44.57" | 50.22" | 45.46" | 41.23" | 37.52" | 50.90" | 65.84" | 47.12" | 39.52" | 40.40" | 48.35" | 40.14" | 41.38" | 52.92" | 54.75" | 45.90" | 46.09" | 37.92" | 47.59" | 47.48" | 47.06" | 46.97" | 41.15" | 55.96" | 45.50" | 60.76" | 53.31" | 45.19" | 39.52" | 44.05" | 45.57" | 39.54" | 39.02" | 41.08" | 42.82" | 58.02" | 48.87" | 61.28" | 50.49" | 48.53" | 47.96" | 58.99" | 62.75" | 46.04" | 44.71" | 45.52" | 46.42" | 45.73" | 55.69" | 54.63" | 57.78" | 46.15" | 59.76" | 48.04" | 46.40" | 49.65" | 50.02" | 49.79" | 38.26" | 52.22" | 50.02" | 57.43" | 36.94" | 38.44" | 53.78" | 40.79" | 51.14" | 45.29" | 60.87" | 42.59" | 55.84" | 48.39" | 56.58" | 51.02" | 53.51" | 60.59" | 42.02" | 43.39" | 42.94" | 31.64" | 65.25" | 40.13" | 53.26" | 41.50" | 44.06" | 38.14" | 50.11" | 51.19" | 38.99" | 41.60" |
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