| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 97 |
15.7%
|
| 2 | No | 501 |
81.1%
|
| 8 | DK | 13 |
2.1%
|
| 9 | Missing | 7 |
1.1%
|
| Sysmiss | 4027 |