| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 300 |
80.6%
|
| 2 | 2 | 51 |
13.7%
|
| 8 | 3 | 17 |
4.6%
|
| 9 | 4 | 4 |
1.1%
|
| Sysmiss | 5 | 0 | |
| Sysmiss | 6 | 0 | |
| Sysmiss | 7 | 0 | |
| Sysmiss | 8 | 0 | |
| Sysmiss | 28 |