| Year | Number of samples | Row width (inches) | Average row width | Pods per 18 sq. feet | ||||
| 10.0 and less | 10.1 - 18.5 | 18.6 - 28.5 | 28.6 - 34.5 | 34.6 and greater | ||||
| Percent | Inches | |||||||
| 1987 | 179 | 12.3 | 7.8 | 3.9 | 58.9 | 17.1 | 27.2 | 1,491 |
| 1988 | 185 | 16.8 | 4.9 | 2.7 | 56.2 | 19.4 | 27.2 | 1,127 |
| 1989 | 178 | 18.8 | 5.9 | 3.7 | 48.6 | 23 | 26.6 | 1,385 |
| 1990 | 175 | 25.4 | 6 | 4 | 46.9 | 17.7 | 25.5 | 1,460 |
| 1991 | 196 | 23.6 | 9.2 | 3.3 | 48.7 | 15.2 | 24.6 | 1,450 |
| 1992 | 176 | 33.5 | 7.4 | 6.3 | 41.1 | 11.7 | 22 | 1,502 |
| 1993 | 179 | 38 | 6.7 | 3.9 | 40.8 | 10.6 | 21.2 | 1,701 |
| 1994 | 185 | 45.6 | 11.4 | 3 | 34.6 | 5.4 | 18.4 | 1,636 |
| 1995 | 208 | 57.1 | 10.1 | 2.9 | 26 | 3.9 | 16 | 1,764 |
| 1996 | 202 | 53.2 | 15.2 | 2.2 | 25.5 | 3.9 | 16 | 1,581 |
| Illinois Agricultural Statistics Service Annual Summary - 1997 |
Page 57 |
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