| Value | Category | Cases | |
|---|---|---|---|
| 1 | Proficient | 13581 |
78.3%
|
| 2 | Good | 2162 |
12.5%
|
| 3 | Basic | 822 |
4.7%
|
| 4 | None | 776 |
4.5%
|
| 9 | Missing value | 4 |
0%
|