| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 Improved | 4623 |
41.3%
|
| 2 | 2 Gotten worse | 2706 |
24.2%
|
| 3 | 3 Stayed the same (volunteered) | 3417 |
30.6%
|
| 8 | 8 DK | 433 |
3.9%
|
| 9 | 9 Refused | 3 |
0%
|
| Sysmiss | 1088101 |