| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 355 |
9.4%
|
| 2 | No | 3436 |
90.5%
|
| 8 | 1 |
0%
|
|
| 9 | 4 |
0.1%
|
|
| Sysmiss | 11 |