| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very well | 805 |
1.7%
|
| 2 | Well | 2157 |
4.6%
|
| 3 | Less | 28635 |
61.5%
|
| 4 | Don't know | 14965 |
32.1%
|
| Sysmiss | 25385 |