Year          Harvested             Yield            Production
              -acres-             -bu/acre-           -bushels-
1850              NA                                 106,241
1879          45,260                 14.8            669,523
1899          33,161                 11.9            395,240
1909          42,077                 19.1            803,173
1920          62,030                 12.8            791,930
1930          28,800                 12.5            358,650
1940          18,000                 19.9            357,780
1950          19,500                 20.1            391,800
1960          15,600                 27.0            421,900
1970          12,600                 33.0            415,800
1980          35,000                 46.6          1,630,000
1985          14,700                 49.0            720,000
1990          37,800                 45.3          1,712,000
1991          30,200                 33.3          1,005,000
1992          26,900                 52.2          1,403,000
1993          30,600                 36.4          1,113,000
1994          21,000                 43.2            907,000
1995          26,700                 40.2          1,074,000
1996           8,200                 31.2            256,000
1997          18,100                 57.4          1,039,000
1998          22,700                 48.8          1,108,000 

NA-Not available.

Source: Missouri Agricultural Statistics Service