| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes, improved | 12982 |
15.3%
|
| 2 | yes, worsened | 3501 |
4.1%
|
| 3 | 1. no change | 54468 |
64.4%
|
| 4 | don’t know | 13668 |
16.2%
|
| Sysmiss | 1973 |