| Value | Category | Cases | |
|---|---|---|---|
| 1 | Improved a lot | 480 |
2.5%
|
| 2 | Improved | 2490 |
13%
|
| 3 | Fairly improved | 5431 |
28.3%
|
| 4 | Become worse | 6437 |
33.5%
|
| 5 | Become a lot worse | 4384 |
22.8%
|