| Code | Definition | Number of Accessions |
| 1 | SMOOTH | 152 |
| 2 | (1 = SMOOTH, 9 = SERRATE) | 67 |
| 3 | (1 = SMOOTH, 9 = SERRATE) | 498 |
| 4 | (1 = SMOOTH, 9 = SERRATE) | 35 |
| 5 | (1 = SMOOTH, 9 = SERRATE) | 827 |
| 6 | (1 = SMOOTH, 9 = SERRATE) | 4 |
| 7 | (1 = SMOOTH, 9 = SERRATE) | 527 |
| 8 | (1 = SMOOTH, 9 = SERRATE) | 2 |
| 9 | SERRATE | 263 |
| M | MIXED | 340 |