| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 43 |
0.2%
|
| 0 | No | 20491 |
88.3%
|
| 1 | Yes | 2210 |
9.5%
|
| 9 | Can't determine | 453 |
2%
|
| Sysmiss | 1104 |