| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 161 |
19.1%
|
| -7 | Does not apply (spontaneous) | 23 |
2.7%
|
| 1 | More complicated | 49 |
5.8%
|
| 2 | Less complicated | 63 |
7.5%
|
| 3 | Remained the same | 545 |
64.8%
|
| Sysmiss | 2114 |