| Value | Category | Cases | |
|---|---|---|---|
| -99 | Do not know | 0 |
0%
|
| 0 | No | 482 |
32.3%
|
| 1 | Yes | 1008 |
67.6%
|
| d | 1 |
0.1%
|
|
| Sysmiss | 1244 |