| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 58 |
0.3%
|
| 0 | No | 8153 |
35.1%
|
| 1 | Yes | 14731 |
63.5%
|
| 9 | Can't determine | 255 |
1.1%
|
| Sysmiss | 1104 |