| Code | Definition | Number of Accessions |
| 0 | EQUAL TO OR GREATER THAN 20 CM BELOW CROWN | 578 |
| 2 | (0 - >= 20 CM BELOW CROWN, 5 - <= 5 CM BELOW GROUND) | 21 |
| 3 | (0 - >= 20 CM BELOW CROWN, 5 - <= 5 CM BELOW GROUND) | 98 |
| 4 | (0 - >= 20 CM BELOW CROWN, 5 - <= 5 CM BELOW GROUND) | 214 |
| 5 | EQUAL TO OR LESSTHAN 5 CM BELOW CROWN | 180 |