| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 837 |
97.6%
|
| 2 | No | 7 |
0.8%
|
| 8 | 4 |
0.5%
|
|
| 9 | 10 |
1.2%
|
|
| Sysmiss | 695 |