| Value | Category | Cases | |
|---|---|---|---|
| 1 | Increased a lot | 642 |
26.8%
|
| 2 | Increased somewhat | 468 |
19.5%
|
| 3 | Stayed the same | 470 |
19.6%
|
| 4 | Decreased somewhat | 344 |
14.3%
|
| 5 | Decreased a lot | 132 |
5.5%
|
| 9 | Don't know | 344 |
14.3%
|
| 98 | Refused | 0 |
0%
|