| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
0%
|
|
| 1 | Yes | 8420 |
68.8%
|
| 2 | No | 3243 |
26.5%
|
| 8 | DK | 212 |
1.7%
|
| 9 | Missing | 363 |
3%
|
| Sysmiss | 10271 |