| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 8 |
2.3%
|
| 2 | No | 1 |
0.3%
|
| 9 | Missing | 345 |
97.5%
|
| 98 | Not applicable | 0 |
0%
|
| Sysmiss | 9073 |