| Value | Category | Cases | |
|---|---|---|---|
| 1 | Improved | 2661 |
20.9%
|
| 2 | Remained the same | 3706 |
29.2%
|
| 3 | Worsened | 5919 |
46.6%
|
| 4 | Don't know(Do not read out) | 354 |
2.8%
|
| 5 | Refused to Answer(Do not read out) | 73 |
0.6%
|
| Sysmiss | 68 |