| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 0 |
0%
|
| 2 | No | 171 |
34.8%
|
| 9 | Missing | 320 |
65.2%
|
| 98 | Not applicable | 0 |
0%
|
| Sysmiss | 8936 |