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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 37.28" | 47.19" | 36.39" | 55.35" | 45.42" | 47.82" | 49.64" | 48.66" | 38.01" | 40.04" | 45.49" | 46.63" | 49.01" | 44.83" | 38.53" | 42.11" | 52.13" | 47.63" | 40.13" | 43.14" | 40.15" | 48.44" | 41.08" | 47.74" | 49.72" | 45.15" | 42.86" | 44.78" | 43.55" | 45.45" | 41.16" | 41.54" | 45.83" | 56.16" | 48.53" | 39.78" | 38.17" | 52.12" | 38.91" | 44.96" | 53.11" | 51.52" | 43.99" | 45.56" | 44.26" | 42.06" | 47.17" | 47.43" | 48.14" | 42.64" | 53.20" | 47.01" | 55.86" | 52.81" | 44.12" | 43.57" | 46.84" | 44.22" | 45.06" | 35.82" | 41.67" | 43.49" | 53.56" | 45.39" | 53.45" | 48.68" | 47.75" | 45.35" | 50.78" | 52.59" | 46.58" | 39.80" | 43.55" | 43.13" | 48.60" | 46.00" | 49.02" | 53.56" | 45.57" | 51.29" | 46.26" | 45.87" | 47.68" | 47.39" | 52.54" | 34.03" | 46.46" | 55.85" | 50.21" | 36.62" | 44.03" | 49.92" | 40.88" | 42.96" | 54.86" | 47.10" | 43.91" | 56.10" | 43.87" | 52.88" | 54.16" | 49.93" | 59.11" | 40.53" | 44.36" | 41.39" | 41.28" | 54.17" | 47.84" | 55.31" | 45.52" | 43.13" | 41.84" | 45.42" | 53.05" | 40.16" | 40.41" | 48.72" |
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