| Value | Category | Cases | |
|---|---|---|---|
| 1 | Improved a lot | 1473 |
35.2%
|
| 2 | Improved a little | 1463 |
35%
|
| 3 | Stayed the same | 1084 |
25.9%
|
| 4 | Worsened | 60 |
1.4%
|
| 5 | Significantly worsened | 7 |
0.2%
|
| 998 | Don't know | 87 |
2.1%
|
| 999 | Refuse to answer | 6 |
0.1%
|