| Value | Category | Cases | |
|---|---|---|---|
| 1 | Proficient | 1032 |
36%
|
| 2 | Good | 1131 |
39.5%
|
| 3 | Basic | 254 |
8.9%
|
| 4 | None | 443 |
15.5%
|
| 9 | Missing value | 3 |
0.1%
|