| Value | Category | Cases | |
|---|---|---|---|
| 1 | Decreased a lot | 815 |
4.2%
|
| 2 | Decreased | 3478 |
17.9%
|
| 3 | Remained the same | 5120 |
26.3%
|
| 4 | Increased | 6537 |
33.6%
|
| 5 | Don't know | 3499 |
18%
|