| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 58 |
0.3%
|
| 0 | No | 8097 |
34.9%
|
| 1 | Yes | 14852 |
64%
|
| 9 | Can't determine | 190 |
0.8%
|
| Sysmiss | 1104 |