| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 433 |
13.2%
|
| 2 | fairly well | 1078 |
32.8%
|
| 3 | not very well | 821 |
25%
|
| 4 | not at all well | 601 |
18.3%
|
| 5 | don't know | 350 |
10.7%
|
| 6 | refused | 2 |
0.1%
|
| Sysmiss | 3 |