| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 3 |
2.9%
|
| 1 | increased | 59 |
57.8%
|
| 2 | remained the same | 36 |
35.3%
|
| 3 | decreased | 4 |
3.9%
|
| Sysmiss | 853 |