| Code | Definition | Number of Accessions |
| 0 | NEEDS_ATTENTION | 3 |
| 1 | SMALL (1 Millimeter) | 992 |
| 2 | (1 = SMALL, 9 = VERY LARGE) | 1191 |
| 3 | 5 Millimeters | 672 |
| 4 | (1 = SMALL, 9 = VERY LARGE) | 639 |
| 5 | 7 Millimeters | 878 |
| 6 | (1 = SMALL, 9 = VERY LARGE) | 227 |
| 7 | 1 Centimeter | 116 |
| 8 | (1 = SMALL, 9 = VERY LARGE) | 9 |
| 9 | VERY LARGE (1.3 Centimeters) | 3 |