| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 20 |
4.1%
|
| 2 | No | 110 |
22.4%
|
| 3 | 18 |
3.7%
|
|
| 9 | Missing | 343 |
69.9%
|
| 98 | Not applicable | 0 |
0%
|
| Sysmiss | 8936 |