| Code | Definition | Number of Accessions |
| 1 | Little or no damage | 992 |
| 2 | (1 = Little or no damage, 9 = Complete winter kill) | 122 |
| 3 | (1 = Little or no damage, 9 = Complete winter kill) | 106 |
| 4 | (1 = Little or no damage, 9 = Complete winter kill) | 64 |
| 5 | (1 = Little or no damage, 9 = Complete winter kill) | 142 |
| 6 | (1 = Little or no damage, 9 = Complete winter kill) | 66 |
| 7 | (1 = Little or no damage, 9 = Complete winter kill) | 96 |
| 8 | (1 = Little or no damage, 9 = Complete winter kill) | 147 |
| 9 | Complete winter kill | 1312 |