| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very well | 671 |
1.4%
|
| 2 | Well | 1516 |
3.3%
|
| 3 | Less | 27428 |
58.9%
|
| 4 | Don't know | 16947 |
36.4%
|
| Sysmiss | 25385 |