| Value | Category | Cases | |
|---|---|---|---|
| 6 | 23 |
5.8%
|
|
| 7 | 47 |
11.8%
|
|
| 8 | 325 |
81.5%
|
|
| 12 | 4 |
1%
|
|
| Sysmiss | 1 |