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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 36.50" | 41.23" | 32.41" | 49.90" | 37.34" | 41.05" | 48.18" | 42.27" | 37.37" | 36.56" | 44.06" | 44.32" | 45.84" | 39.54" | 38.97" | 38.80" | 42.19" | 42.91" | 37.90" | 40.79" | 41.71" | 43.27" | 35.74" | 43.32" | 43.92" | 42.58" | 37.83" | 42.35" | 41.82" | 45.93" | 36.86" | 38.05" | 36.29" | 48.96" | 47.04" | 35.47" | 35.81" | 47.74" | 33.90" | 41.77" | 46.79" | 43.83" | 38.60" | 42.46" | 41.29" | 38.04" | 40.16" | 42.06" | 38.35" | 38.25" | 48.57" | 42.96" | 48.71" | 48.80" | 40.74" | 38.78" | 39.50" | 39.64" | 41.90" | 32.17" | 38.03" | 37.95" | 48.13" | 38.93" | 49.54" | 42.11" | 42.39" | 40.44" | 43.27" | 46.52" | 42.17" | 41.77" | 41.85" | 39.28" | 44.02" | 41.10" | 47.27" | 46.19" | 43.76" | 45.62" | 45.33" | 45.04" | 42.57" | 42.99" | 44.38" | 33.21" | 41.52" | 46.30" | 43.46" | 38.21" | 43.42" | 45.12" | 37.20" | 36.71" | 51.53" | 39.91" | 42.95" | 49.20" | 37.54" | 49.38" | 47.72" | 44.73" | 51.92" | 37.90" | 39.67" | 33.91" | 37.68" | 46.12" | 50.27" | 48.31" | 44.82" | 40.93" | 35.25" | 38.77" | 53.53" | 35.98" | 36.41" | 45.52" |
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