Year         Harvested           Yield            Production
             - acres-          -bu/acre-          - bushels-
1850             NA                                748,540
1879         68,389             37.5             2,564,430
1899         78,302             30.3             2,374,810
1909         80,294             35.1             2,820,574
1920         73,100             31.5             2,304,190
1930         83,550             11.2               937,630
1940         45,470             28.8             1,308,180
1950         58,800             54.7             3,214,800
1960         60,000             59.3             3,558,000
1970         51,000             61.0             3,135,300
1980         45,700             75.4             3,447,000
1985         48,200            114.0             5,495,000
1990         35,700            101.2             3,613,000
1991         40,300            102.4             4,126,000
1992         46,500            131.0             6,092,000
1993         38,100             99.4             3,788,000
1994         44,800             98.4             4,408,000
1995         28,800            104.4             3,006,000
1996         48,100            123.0             5,915,000
1997         50,500            114.6             5,785,000
1998         43,800            129.1             5,655,000

NA-Not available.

Source: Missouri Agricultural Statistics Service