| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 124 |
3.6%
|
| 2 | No | 3297 |
95.8%
|
| 8 | 16 |
0.5%
|
|
| 9 | 4 |
0.1%
|
|
| Sysmiss | 366 |