| Importance | Number of skills | 0 Course | 1 Course | 2 Courses | 3 Courses or more |
| ≥12% | 1 | 1 | 0 | 0 | 0 |
| 8% - 11% | 5 | 2 | 3 | 0 | 0 |
| 4% - 7% | 11 | 3 | 5 | 3 | 0 |
| 1% - 3% | 17 | 9 | 7 | 1 | 0 |
| Total | 34 | 15 | 15 | 4 | 0 |