| Code | Definition | Number of Accessions |
| 1 | very low > 80 (%) | |
| 2 | very low to low 61 - 80 (%) | |
| 3 | low 41 - 60 (%) | |
| 4 | low to medium 21 - 40 (%) | 17 |
| 5 | medium 16 - 20 (%) | 2 |
| 6 | medium to high 11 - 15 (%) | 3 |
| 7 | high 6 - 10 (%) | 12 |
| 8 | high to very high 1 - 5 (%) | 95 |
| 9 | very high < 1 (%) | 77 |