| Value | Category | Cases | |
|---|---|---|---|
| 1 | Decreased a lot | 1046 |
5.4%
|
| 2 | Decreased | 2033 |
10.4%
|
| 3 | Remained the same | 3457 |
17.7%
|
| 4 | Increased | 12039 |
61.8%
|
| 5 | Don't know | 914 |
4.7%
|