| Value | Category | Cases | |
|---|---|---|---|
| 1 | Unmodified list | 1499 |
28.1%
|
| 2 | Modified list | 1745 |
32.7%
|
| 8 | Don't know | 33 |
0.6%
|
| 9 | No answer | 109 |
2%
|
| Sysmiss | 1951 |
36.6%
|