| Value | Category | Cases | |
|---|---|---|---|
| 1 | No knowledge and skills | 159 |
15.3%
|
| 2 | Unsatisfactory knowledge and skills | 261 |
25.2%
|
| 3 | Satisfactory knowledge and skills | 454 |
43.8%
|
| 4 | Good knowledge and skills | 83 |
8%
|
| 5 | Excellent knowledge and skills | 42 |
4.1%
|
| 9 | Don’t know | 37 |
3.6%
|