| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 2 |
2.8%
|
| -8 | Refused | 0 |
0%
|
| 1 | Increase | 10 |
14.1%
|
| 2 | Remain the same | 25 |
35.2%
|
| 3 | Decrease | 34 |
47.9%
|
| Sysmiss | 884 |