| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 546 |
10.4%
|
| 2 | No | 4664 |
89.3%
|
| 8 | 4 |
0.1%
|
|
| 9 | 11 |
0.2%
|
|
| Sysmiss | 25 |