| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 2497 |
11.1%
|
| 1 | Yes | 20028 |
88.9%
|
| 7 | Not applicable | 0 |
0%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 0 | |
| Sysmiss | 3514 |