| Value | Category | Cases | |
|---|---|---|---|
| 1 | Proficient | 722 |
25.2%
|
| 2 | Good | 1309 |
45.7%
|
| 3 | Basic | 309 |
10.8%
|
| 4 | None | 520 |
18.2%
|
| 9 | Missing value | 3 |
0.1%
|