| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very well | 424 |
0.9%
|
| 2 | Well | 1358 |
3%
|
| 3 | Less | 27257 |
59.5%
|
| 4 | Don't know | 16741 |
36.6%
|
| Sysmiss | 24644 |