| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 509 |
9.5%
|
| 2 | No | 4848 |
90.3%
|
| 8 | 7 |
0.1%
|
|
| 9 | 7 |
0.1%
|
|
| Sysmiss | 30 |