1904 $ 0.23 billion (1903 level exceeded in 1905): 3 years/a decline of less than one percent
1908 $ 3.75 billion (1907 level exceeded in 1911): 5 years/a decline of eleven percent
1914 $ 2.62 billion (1913 level exceeded in 1916): 4 years/a decline of less than seven percent
1921 $14.79 billion
1922 $ 0.20 billion (1920 level exceeded in 1925): 6 years/a decline of almost seventeen percent
1927 $ 1.40 billion (1926 level exceeded in 1928): 3 years/a decline of less than two percent
1930 $12.40 billion
1931 $14.70 billion
1932 $17.80 billion
1933 $ 2.30 billion
1938 $ 5.80 billion (1929 level exceeded in 1941): 13 years/a decline of over forty-five percent through 1933 with an additional six percent drop in 1938 relative to 1937
1946 $ 0.80 billion (1945 level exceeded in 1947): 3 years/a decline of less than one half percent
1949 $ 1.90 billion (1948 level exceeded in 1950): 3 years/a decline of less than one percent
Current revisions to GDP for 2008 and 2009 show declines of 0.3 percent and 3.5 percent, respectively, making the severity of the GDP decline most like 1938, though still not yet as severe.
