Group 1, None.
Item 1, Corn, 2001 2.4.
Item 2, Soybeans, 2002 3.
Item 3, Wheat, 1998 5.9.
Item 4, Cotton, 2003 4.
Group 2, One.
Item 1, Corn, 2001 24.
Item 2, Soybeans, 2002 14.
Item 3, Wheat, 1998 22.2.
Item 4, Cotton, 2003 38.4.
Group 3, Two.
Item 1, Corn, 2001 37.6.
Item 2, Soybeans, 2002 35.
Item 3, Wheat, 1998 37.6.
Item 4, Cotton, 2003 36.7.
Group 4, Three.
Item 1, Corn, 2001 27.6.
Item 2, Soybeans, 2002 35.
Item 3, Wheat, 1998 28.
Item 4, Cotton, 2003 14.9.
Group 5, Four or more.
Item 1, Corn, 2001 8.4.
Item 2, Soybeans, 2002 13.
Item 3, Wheat, 1998 6.3.
Item 4, Cotton, 2003 6.