Year             Harvested         Yield             Production
                  -acres-       -ton/acre-             -tons-
1850                  NA                                4,943
1879              23,236           0.53                12,220
1899              51,006           1.03                52,594
1909              41,605           1.01                41,979
1920              21,280           1.03                21,820
1930              35,620           0.51                18,120
1940              46,090           1.30                59,850
1950              42,700           1.37                58,300
1960              30,600           1.58                48,200
1970              33,600           1.80                60,500
1980              39,500           1.15                45,000
1985              42,700           1.80                77,500
1990              43,000           2.00                86,000
1991              43,100           1.82                78,300
1992              40,100           1.70                68,300
1993              42,100           1.90                80,000
1994              39,800           1.77                70,300
1995              40,500           2.03                82,300
1996              45,700           1.88                85,800
1997              44,200           1.99                87,800
1998              43,700           2.21                96,400  

NA  Not Available

Source: Missouri Agricultural Statistics Service