Distribution of Values for
011 Stem - hollowness (011 STEM - HOLLOWNESS )
| Code | Definition | Number of Accessions |
| 1 | solid | 4 |
| 3 | nearly solid (wall thickness more than 70 % of diameter) | 14 |
| 5 | medium solid (wall thickness 30 - 70 %) | 13 |
| 7 | hollow (wall thickness < 30 %) | 1 |