| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 80 |
2.4%
|
| 2 | fairly well | 493 |
15%
|
| 3 | not very well | 1237 |
37.7%
|
| 4 | not at all well | 1461 |
44.5%
|
| 5 | don't know | 12 |
0.4%
|
| 6 | refused | 2 |
0.1%
|
| Sysmiss | 3 |