| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 305 |
7.6%
|
| 2 | No | 3544 |
88%
|
| 8 | DK | 174 |
4.3%
|
| 9 | Missing | 2 |
0%
|
| Sysmiss | 1160 |