| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 9 |
2.4%
|
| 2 | No | 19 |
5.1%
|
| 9 | Missing | 343 |
92.5%
|
| 98 | Not applicable | 0 |
0%
|
| Sysmiss | 9056 |