| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 7 |
2%
|
| 2 | No | 1 |
0.3%
|
| 9 | Missing | 344 |
97.7%
|
| 98 | Not applicable | 0 |
0%
|
| Sysmiss | 9075 |