| Value | Category | Cases | |
|---|---|---|---|
| 1 | No skills required | 5670 |
16.7%
|
| 2 | Basic skills required | 5221 |
15.4%
|
| 3 | Intermediate skills required | 7602 |
22.4%
|
| 4 | Advanced skills required | 15382 |
45.4%
|