| Value | Category | Cases | |
|---|---|---|---|
| -99 | Do not know | 0 |
0%
|
| 0 | No | 47 |
3.2%
|
| 1 | Yes | 1439 |
96.5%
|
| d | 5 |
0.3%
|
|
| Sysmiss | 1244 |