| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 486 |
11.1%
|
| 2 | No | 3858 |
88.1%
|
| 8 | 30 |
0.7%
|
|
| 9 | 3 |
0.1%
|
|
| Sysmiss | 873 |