| Code | Definition | Number of Accessions |
| 1 | very low < 20 (%) | |
| 2 | very low to low 20 -39 (%) | |
| 3 | low 40 - 59 (%) | |
| 4 | low to medium 60 - 79 (%) | 12 |
| 5 | medium 80 - 84 (%) | 19 |
| 6 | medium to high 85 - 89 (%) | 28 |
| 7 | high 90 - 94 (%) | 64 |
| 8 | high to very high 95 - 99 (%) | 34 |
| 9 | very high > 99 (%) | 10 |