| Code | Definition | Number of Accessions |
| 1.0 | Resistant | 1302 |
| 1.5 | (1.0 = Resistant, 5.0 = Susceptible) | 27 |
| 2.0 | (1.0 = Resistant, 5.0 = Susceptible) | 80 |
| 2.5 | (1.0 = Resistant, 5.0 = Susceptible) | 18 |
| 3.0 | (1.0 = Resistant, 5.0 = Susceptible) | 12 |
| 3.5 | (1.0 = Resistant, 5.0 = Susceptible) | 7 |
| 4.0 | (1.0 = Resistant, 5.0 = Susceptible) | 4 |
| 4.5 | (1.0 = Resistant, 5.0 = Susceptible) | 2 |