| Code | Definition | Number of Accessions |
| 1.0 | Resistant | 1259 |
| 1.5 | (1.0 = Resistant, 5.0 = Susceptible) | 19 |
| 2.0 | (1.0 = Resistant, 5.0 = Susceptible) | 97 |
| 2.5 | (1.0 = Resistant, 5.0 = Susceptible) | 43 |
| 3.0 | (1.0 = Resistant, 5.0 = Susceptible) | 19 |
| 3.5 | (1.0 = Resistant, 5.0 = Susceptible) | 14 |
| 4.0 | (1.0 = Resistant, 5.0 = Susceptible) | 16 |
| 4.5 | (1.0 = Resistant, 5.0 = Susceptible) | 1 |