| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 37 |
43.5%
|
| 1 | Yes | 23 |
27.1%
|
| 98 | DK | 4 |
4.7%
|
| 99 | RA | 21 |
24.7%
|
| Sysmiss | 2974 |