| Value | Category | Cases | |
|---|---|---|---|
| 2 | don't know | 50 |
5.1%
|
| 3 | no | 143 |
14.6%
|
| 4 | yes, improved | 651 |
66.3%
|
| 5 | yes, to some extent | 138 |
14.1%
|
| Sysmiss | 1634 |