| Value | Category | Cases | |
|---|---|---|---|
| 1 | Proficient | 1097 |
38.3%
|
| 2 | Good | 1064 |
37.2%
|
| 3 | Basic | 225 |
7.9%
|
| 4 | None | 474 |
16.6%
|
| 9 | Missing value | 3 |
0.1%
|