| Value | Category | Cases | |
|---|---|---|---|
| 1 | No skills required | 74 |
5.5%
|
| 2 | Basic Skills required | 239 |
17.9%
|
| 3 | Intermediate skills required | 472 |
35.3%
|
| 4 | Advanced skills required | 551 |
41.2%
|