| Code | Definition | Number of Accessions |
| 1 | Most uniform | 545 |
| 3 | (1 = Most uniform, 9 = Least uniform) | 3 |
| 4 | (1 = Most uniform, 9 = Least uniform) | 5 |
| 5 | (1 = Most uniform, 9 = Least uniform) | 74 |
| 6 | (1 = Most uniform, 9 = Least uniform) | 3 |
| 7 | (1 = Most uniform, 9 = Least uniform) | 4 |
| 9 | Least uniform | 16 |