| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 1878 |
28%
|
| 2 | Yes, with difficulties | 2000 |
29.8%
|
| 3 | Yes, mostly | 2556 |
38.1%
|
| 4 | Yes, fluently | 272 |
4.1%
|
| 11 | .A | 2 | |
| Sysmiss | 380 |