| Value | Category | Cases | |
|---|---|---|---|
| 1 | Improved a lot | 471 |
2.6%
|
| 2 | Improved | 2913 |
15.8%
|
| 3 | Fairly improved | 6561 |
35.7%
|
| 4 | Become worse | 5042 |
27.4%
|
| 5 | Become a lot worse | 3400 |
18.5%
|