| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 1305 |
39.7%
|
| 2 | fairly well | 1155 |
35.2%
|
| 3 | not very well | 427 |
13%
|
| 4 | not at all well | 307 |
9.3%
|
| 5 | don't know | 89 |
2.7%
|
| 6 | refused | 2 |
0.1%
|
| Sysmiss | 3 |