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.
| 1895 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 34.07" | 39.55" | 34.76" | 53.73" | 36.03" | 38.09" | 39.78" | 34.79" | 38.62" | 37.98" | 33.16" | 39.64" | 37.46" | 32.25" | 36.16" | 32.33" | 37.06" | 32.49" | 34.39" | 31.91" | 35.93" | 37.66" | 36.03" | 31.88" | 39.59" | 40.27" | 36.05" | 39.14" | 34.84" | 30.03" | 34.64" | 36.33" | 41.63" | 36.05" | 35.38" | 29.67" | 47.48" | 46.30" | 53.20" | 38.00" | 41.36" | 50.02" | 42.86" | 49.91" | 38.27" | 43.36" | 34.22" | 43.76" | 34.33" | 38.25" | 46.34" | 42.29" | 38.15" | 46.86" | 33.38" | 36.91" | 40.98" | 38.62" | 55.73" | 51.08" | 45.75" | 45.64" | 33.40" | 55.42" | 46.67" | 42.12" | 47.12" | 46.30" | 40.53" | 38.56" | 25.98" | 38.09" | 50.87" | 43.57" | 51.08" | 43.48" | 38.14" | 63.41" | 52.37" | 39.48" | 53.85" | 40.19" | 54.03" | 44.60" | 50.20" | 33.59" | 41.47" | 45.14" | 59.22" | 50.21" | 41.19" | 50.21" | 47.73" | 40.88" | 48.07" | 45.92" | 45.55" | 45.41" | 44.23" | 48.74" | 40.06" | 60.22" | 40.97" | 56.00" | 43.99" | 49.38" | 44.00" | 48.85" | 53.53" | 46.36" | 56.47" | 57.08" | 44.49" | 56.93" | 55.38" | 55.85" | 55.50" | 43.80" |
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