| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 191 |
4.7%
|
| 2 | No | 3620 |
89.9%
|
| 8 | DK | 203 |
5%
|
| 9 | Missing | 11 |
0.3%
|
| Sysmiss | 1160 |