| Value | Category | Cases | |
|---|---|---|---|
| 1 | No skills required | 331 |
22.3%
|
| 2 | Basic Skills required | 218 |
14.7%
|
| 3 | Intermediate skills required | 303 |
20.4%
|
| 4 | Advanced skills required | 634 |
42.7%
|