| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 51 |
12.8%
|
| 2 | 2 | 334 |
83.9%
|
| 8 | 3 | 10 |
2.5%
|
| 9 | 4 | 3 |
0.8%
|
| Sysmiss | 5 | 0 | |
| Sysmiss | 6 | 0 | |
| Sysmiss | 7 | 0 | |
| Sysmiss | 8 | 0 | |
| Sysmiss | 2 |