IOWA - CORN FOR GRAIN ACREAGE, AVERAGE YIELD PER ACRE, AND PRODUCTION ------------------------------------------------------- Crop ----- Acres ----- Avg. Yield Year Planted Harvested Per Acre Production ------------------------------------------------------- ---Thousand acres--- Bu. Thousand bu. 1971 12,208 11,550 102.0 1,178,100 1972 11,255 10,600 116.0 1,229,600 1973 11,970 11,280 107.0 1,206,960 1974 13,200 12,100 80.0 968,000 1975 13,350 12,420 90.0 1,117,800 1976 13,950 12,900 91.0 1,173,900 1977 13,800 12,700 86.0 1,092,200 1978 13,600 12,850 115.0 1,477,750 1979 13,750 13,100 127.0 1,663,700 1980 14,000 13,300 110.0 1,463,000 1981 14,400 13,850 125.0 1,731,250 1982 13,750 13,150 120.0 1,578,000 1983 9,100 8,550 87.0 743,850 1984 13,400 12,900 112.0 1,444,800 1985 13,900 13,550 126.0 1,707,300 1986 12,300 12,050 135.0 1,626,750 1987 10,400 10,150 130.0 1,319,500 1988 11,300 10,700 84.0 898,800 1989 12,600 12,250 118.0 1,445,500 1990 12,800 12,400 126.0 1,562,400 1991 12,500 12,200 117.0 1,427,400 1992 13,200 12,950 147.0 1,903,650 1993 12,000 11,000 80.0 880,000 1994 12,900 12,600 152.0 1,915,200 1995 11,900 11,600 123.0 1,426,800 1996 12,700 12,400 138.0 1,711,200 1997 12,200 11,900 138.0 1,642,200 1998 12,500 12,200 145.0 1,769,000 1999 12,100 11,800 149.0 1,758,200 2000 12,300 12,000 144.0 1,728,000 2001 11,700 11,400 146.0 1,664,400 2002 12,200 11,850 163.0 1,931,550 2003 12,300 11,900 157.0 1,868,300 2004 12,700 12,400 181.0 2,244,400 2005 12,800 12,500 173.0 2,162,500 2006 1/ ------------------------------------------------------ 1/ Preliminary