| Code | Definition | Number of Accessions |
| 1 | POINTED | 1024 |
| 2 | (1 = POINTED, 9 = SUNKEN) | 55 |
| 3 | (1 = POINTED, 9 = SUNKEN) | 227 |
| 4 | (1 = POINTED, 9 = SUNKEN) | 32 |
| 5 | BLUNT | 268 |
| 6 | (1 = POINTED, 9 = SUNKEN) | 8 |
| 7 | (1 = POINTED, 9 = SUNKEN) | 64 |
| 8 | (1 = POINTED, 9 = SUNKEN) | 2 |
| 9 | SUNKEN | 217 |
| M | MIXED | 744 |