| Code | Definition | Number of Accessions |
| 1 | NOT UNIFORM | 3 |
| 2 | (1 = NOT UNIFORM, 9 = COMPLETELY UNIFORM) | 4 |
| 3 | (1 = NOT UNIFORM, 9 = COMPLETELY UNIFORM) | 37 |
| 4 | (1 = NOT UNIFORM, 9 = COMPLETELY UNIFORM) | 31 |
| 5 | (1 = NOT UNIFORM, 9 = COMPLETELY UNIFORM) | 20 |
| 6 | (1 = NOT UNIFORM, 9 = COMPLETELY UNIFORM) | 18 |
| 7 | (1 = NOT UNIFORM, 9 = COMPLETELY UNIFORM) | 28 |
| 8 | (1 = NOT UNIFORM, 9 = COMPLETELY UNIFORM) | 21 |
| 9 | COMPLETELY UNIFORM | 3 |