Distribution of Values for
011 Stem - hollowness (011 STEM - HOLLOWNESS )
| Code | Definition | Number of Accessions |
| 1 | solid | 97 |
| 3 | nearly solid (wall thickness more than 70 % of diameter) | 267 |
| 5 | medium solid (wall thickness 30 - 70 %) | 203 |
| 7 | hollow (wall thickness < 30 %) | 25 |