| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very well | 903 |
2%
|
| 2 | Well | 4046 |
8.8%
|
| 3 | Less | 30695 |
67%
|
| 4 | Don't know | 10136 |
22.1%
|
| Sysmiss | 24644 |