| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 348 |
87.2%
|
| 2 | 2 | 23 |
5.8%
|
| 8 | 3 | 27 |
6.8%
|
| 9 | 4 | 1 |
0.3%
|
| Sysmiss | 5 | 0 | |
| Sysmiss | 6 | 0 | |
| Sysmiss | 7 | 0 | |
| Sysmiss | 8 | 0 | |
| Sysmiss | 1 |