| Value | Category | Cases | |
|---|---|---|---|
| 1 | Improved a lot | 780 |
4.1%
|
| 2 | Improved | 4393 |
22.8%
|
| 3 | Fairly improved | 7587 |
39.4%
|
| 4 | Become worse | 4388 |
22.8%
|
| 5 | Become a lot worse | 2091 |
10.9%
|