| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very well | 554 |
1.2%
|
| 2 | Well | 1951 |
4.3%
|
| 3 | Less | 29027 |
63.4%
|
| 4 | Don't know | 14248 |
31.1%
|
| Sysmiss | 24644 |