| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 44 |
0.2%
|
| 0 | No | 11078 |
47.8%
|
| 1 | Yes | 11837 |
51%
|
| 9 | Can't determine | 238 |
1%
|
| Sysmiss | 1104 |