| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 0 |
0%
|
| 1 | increased | 78 |
68.4%
|
| 2 | remained the same | 19 |
16.7%
|
| 3 | decreased | 17 |
14.9%
|
| Sysmiss | 1881 |