| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 627 |
67.2%
|
| 2 | No | 302 |
32.4%
|
| 8 | 3 |
0.3%
|
|
| 9 | 1 |
0.1%
|
|
| Sysmiss | 673 |