| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 50 |
2.2%
|
| 2 | No | 819 |
36.6%
|
| 9 | Missing | 1371 |
61.2%
|
| 98 | Not applicable | 0 |
0%
|
| Sysmiss | 7187 |