| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 80 |
8.9%
|
| 2 | No | 815 |
90.9%
|
| 8 | 1 |
0.1%
|
|
| 9 | 1 |
0.1%
|
|
| Sysmiss | 75 |