| Value | Category | Cases | |
|---|---|---|---|
| 1 | Unmodified list | 1728 |
15.6%
|
| 2 | Modified list | 3169 |
28.6%
|
| 8 | Don't know | 40 |
0.4%
|
| 9 | No answer | 14 |
0.1%
|
| Sysmiss | 6122 |
55.3%
|