| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 12 |
3.2%
|
| 2 | No | 22 |
5.9%
|
| 9 | Missing | 342 |
91%
|
| 98 | Not applicable | 0 |
0%
|
| Sysmiss | 9051 |