| Code | Definition | Number of Accessions |
| 1 | very low < 2,70 (%) | 4 |
| 2 | very low to low 2,71 - 2,90 (%) | 3 |
| 3 | low 2,91 - 3,10 (%) | 1 |
| 4 | low to medium 3,11 - 3,30 (%) | 7 |
| 5 | medium 3,31 - 3,50 (%) | 6 |
| 6 | medium to high 3,51 - 3,70 (%) | 11 |
| 7 | high 3,71 - 3,90 (%) | 9 |
| 8 | high to very high 3,91 - 4,10 (%) | 5 |
| 9 | very high > 4,11 (%) | 3 |