| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 472 |
10.8%
|
| 2 | No | 3889 |
88.9%
|
| 8 | 13 |
0.3%
|
|
| 9 | 2 |
0%
|
|
| Sysmiss | 2 |