| Value | Category | Cases | |
|---|---|---|---|
| -99 | Do not know | 0 |
0%
|
| 0 | No | 1908 |
95.3%
|
| 1 | Yes | 79 |
3.9%
|
| d | 15 |
0.7%
|
|
| Sysmiss | 733 |