| Value | Category | Cases | |
|---|---|---|---|
| 1 | Improved a lot | 829 |
4.3%
|
| 2 | Improved | 3952 |
20.5%
|
| 3 | Fairly improved | 6475 |
33.6%
|
| 4 | Become worse | 4811 |
25%
|
| 5 | Become a lot worse | 3197 |
16.6%
|