| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 392 |
11.9%
|
| 2 | fairly well | 1289 |
39.2%
|
| 3 | not very well | 997 |
30.4%
|
| 4 | not at all well | 578 |
17.6%
|
| 5 | don't know | 27 |
0.8%
|
| 6 | refused | 2 |
0.1%
|
| Sysmiss | 3 |