| Value | Category | Cases | |
|---|---|---|---|
| 1 | Correct | 453 |
10.3%
|
| 2 | Not correct | 641 |
14.6%
|
| 8 | Don't know | 11 |
0.3%
|
| 9 | No answer | 5 |
0.1%
|
| Sysmiss | 3281 |
74.7%
|