| Value | Category | Cases | |
|---|---|---|---|
| 1 | Unmodified list | 850 |
7.7%
|
| 2 | Modified list | 1614 |
14.6%
|
| 8 | Don't know | 854 |
7.7%
|
| 9 | No answer | 95 |
0.9%
|
| Sysmiss | 7660 |
69.2%
|