| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 54 |
0.2%
|
| 0 | No | 15989 |
68.9%
|
| 1 | Yes | 7026 |
30.3%
|
| 9 | Can't determine | 128 |
0.6%
|
| Sysmiss | 1104 |