| Value | Category | Cases | |
|---|---|---|---|
| 1 | Decreased a lot | 933 |
4.8%
|
| 2 | Decreased | 4090 |
21%
|
| 3 | Remained the same | 5377 |
27.6%
|
| 4 | Increased | 7220 |
37.1%
|
| 5 | Don't know | 1853 |
9.5%
|