| Value | Category | Cases | |
|---|---|---|---|
| 1 | Improved a lot | 890 |
4.6%
|
| 2 | Improved | 3669 |
19.1%
|
| 3 | Fairly improved | 6316 |
32.9%
|
| 4 | Become worse | 4949 |
25.8%
|
| 5 | Become a lot worse | 3395 |
17.7%
|