| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 508 |
63%
|
| 1 | Yes | 176 |
21.8%
|
| 98 | DK | 121 |
15%
|
| 99 | RA | 1 |
0.1%
|
| Sysmiss | 797 |