| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 616 |
9.5%
|
| 2 | No | 5769 |
89.4%
|
| 8 | 61 |
0.9%
|
|
| 9 | 6 |
0.1%
|
|
| Sysmiss | 5 |