| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 722 |
22%
|
| 2 | fairly well | 1119 |
34.1%
|
| 3 | not very well | 749 |
22.8%
|
| 4 | not at all well | 599 |
18.2%
|
| 5 | don't know | 94 |
2.9%
|
| 6 | refused | 2 |
0.1%
|
| Sysmiss | 3 |