| Value | Category | Cases | |
|---|---|---|---|
| 1 | improved | 2052 |
41.3%
|
| 2 | stayed the same | 1265 |
25.5%
|
| 3 | gotten worse | 1404 |
28.3%
|
| 4 | do not know | 244 |
4.9%
|
| Sysmiss | 15 |