| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 308 |
6.4%
|
| 2 | No | 4445 |
93%
|
| 8 | 20 |
0.4%
|
|
| 9 | 7 |
0.1%
|
|
| Sysmiss | 8 |