| Value | Category | Cases | |
|---|---|---|---|
| 2 | don't know | 64 |
2.5%
|
| 3 | got better | 250 |
9.7%
|
| 4 | got worse | 1957 |
75.7%
|
| 5 | stayed the same | 314 |
12.1%
|
| Sysmiss | 31 |