| Value | Category | Cases | |
|---|---|---|---|
| 1 | Proficient | 2358 |
82.4%
|
| 2 | Good | 297 |
10.4%
|
| 3 | Basic | 100 |
3.5%
|
| 4 | None | 105 |
3.7%
|
| 9 | Missing value | 3 |
0.1%
|