| Code | Definition | Number of Accessions |
| 1 | very low < 16,5 (%) | 4 |
| 2 | very low to low 16,51 - 18,0 (%) | 3 |
| 3 | low 18,01 - 20,0 (%) | 4 |
| 4 | low to medium 20,01 - 22,0 (%) | 14 |
| 5 | medium 22,01 - 24,0 (%) | 15 |
| 6 | medium to high 24,01 - 26,0 (%) | 11 |
| 7 | high 26,01 - 28,0 (%) | 4 |
| 8 | high to very high 28,01 -30,0 (%) | 5 |