| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. not at all | 0 |
0%
|
| 2 | 2. basic communication | 40 |
1.1%
|
| 3 | 3. reasonably well | 681 |
19.1%
|
| 4 | 4. excellent | 2851 |
79.8%
|
| Sysmiss | 966 |