Year            Harvested           Yield            Production
                 -acres-          -bu/acre-           -bushels-
1850                 NA                                 50,178
1879             21,232             11.0               234,236
1899             21,320             12.4               264,010
1909             33,187             17.2               570,895
1920             43,000              7.8               336,590
1930             10,290             12.2               125,310
1940             17,000             19.7               334,230
1950             24,300             14.3               346,400
1960             13,800             38.4               530,200
1970              8,100             31.0               251,100
1980             25,000             48.9             1,223,000
1985             15,600             43.7               682,000
1990             19,100             38.4               734,000
1991             24,700             34.3               847,000
1992             21,100             44.3               935,000
1993             20,900             41.8               873,000
1994             12,800             39.0               499,000
1995             15,900             40.3               640,000
1996              9,500             37.3               354,000
1997             13,500             52.5               709,000
1998             16,200             47.4               768,000

NA  Not Available

Source: Missouri Agricultural Statistics Service