| Code | Definition | Number of Accessions |
| 1 | absent (sterile) - 0 % | 107 |
| 2 | absent (sterile) - low 0,1-12,5 % | 219 |
| 3 | low 12,6-25,0 % | 208 |
| 4 | low - intermediate 25,1-37,5 % | 104 |
| 5 | intermediate 37,6-50,0 % | 238 |
| 6 | intermediate - hight 50,1-67,5 % | 186 |
| 7 | high 67,6-75,0 % | 229 |
| 8 | high - very high 75,1-87,5 % | 124 |
| 9 | very high 87,6-100,0% | 14 |