| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 2 |
2%
|
| 1 | increased | 46 |
45.1%
|
| 2 | remained the same | 40 |
39.2%
|
| 3 | decreased | 14 |
13.7%
|
| Sysmiss | 853 |