| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 5 |
0.8%
|
| 2 | No | 647 |
97.7%
|
| 8 | DK | 4 |
0.6%
|
| 9 | Missing | 6 |
0.9%
|
| Sysmiss | 4906 |