| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 45 |
0.2%
|
| 0 | No | 16412 |
70.8%
|
| 1 | Yes | 6054 |
26.1%
|
| 9 | Can't determine | 686 |
3%
|
| Sysmiss | 1104 |