| Value | Category | Cases | |
|---|---|---|---|
| -1 | missing | 0 |
0%
|
| 1 | increased a lot | 18263 |
38%
|
| 2 | increased somewhat | 8579 |
17.8%
|
| 3 | stayed the same | 7836 |
16.3%
|
| 4 | decreased somewhat | 8443 |
17.6%
|
| 5 | decreased a lot | 2871 |
6%
|
| 8 | refused | 61 |
0.1%
|
| 9 | don’t know | 2031 |
4.2%
|