| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 46 |
0.2%
|
| 0 | No | 16334 |
70.4%
|
| 1 | Yes | 5765 |
24.9%
|
| 9 | Can't determine | 1052 |
4.5%
|
| Sysmiss | 1104 |