| Value | Category | Cases | |
|---|---|---|---|
| 1 | 598 |
70.9%
|
|
| 6 | 107 |
12.7%
|
|
| 8 | 15 |
1.8%
|
|
| 9 | 124 |
14.7%
|
|
| Sysmiss | 78 |