| Code | Definition | Number of Accessions |
| 1 | Infected area: 0-1% | 144 |
| 1;2 | Infected area: 0-1% & 1-5% | 7 |
| 1;2;3 | Infected area: 0-1% & 1-5% & 6-9% | 2 |
| 1;2;4 | infected area: 0-1% & 1-5% & 10-49% | 1 |
| 1;3 | Infected area: 0-1% & 6-9% | 3 |
| 1;4 | Infected area: 0-1% & 10-49% | 1 |
| 1;5 | Infected area: 0-1% & 50-100% | 1 |
| 2 | Infected area: 1-5% | 67 |
| 2;3 | Infected area: 1-5% & 6-9% | 1 |
| 2;4 | Infected area: 1-5% & 10-49% | 2 |
| 2;5 | Infected area: 1-5% & 50-100% | 1 |
| 3 | Infected area: 6-9% | 39 |
| 3;2;4 | Infected area: 6-9% & 1-5% & 10-49% | 1 |
| 4 | Infected area: 10-49% | 7 |
| 5 | Infected area: 50-100% | 9 |