| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not present | 7 |
77.8%
|
| 1 | Yes, seen | 2 |
22.2%
|
| 2 | Yes, not seen | 0 |
0%
|
| 9 | No response | 0 |
0%
|
| Sysmiss | 6 |