| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 3800 |
72.7%
|
| 2 | No | 1406 |
26.9%
|
| 8 | 3 |
0.1%
|
|
| 9 | 16 |
0.3%
|
|
| Sysmiss | 25 |