| Value | Category | Cases | |
|---|---|---|---|
| 1 | improved a lot | 452 |
9.7%
|
| 2 | somewhat improved | 1910 |
41.1%
|
| 3 | remaining the same | 1393 |
30%
|
| 4 | somewhat deteriorated | 181 |
3.9%
|
| 5 | deteriorated a lot | 57 |
1.2%
|
| 8 | don't know | 640 |
13.8%
|
| 9 | refuse to answer | 11 |
0.2%
|