| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 43 |
0.2%
|
| 0 | No | 18089 |
78%
|
| 1 | Yes | 4360 |
18.8%
|
| 9 | Can't determine | 705 |
3%
|
| Sysmiss | 1104 |