| Value | Category | Cases | |
|---|---|---|---|
| 1 | Decreased a lot | 1059 |
5.4%
|
| 2 | Decreased | 4454 |
22.9%
|
| 3 | Remained the same | 5240 |
26.9%
|
| 4 | Increased | 5987 |
30.8%
|
| 5 | Don't know | 2704 |
13.9%
|