| Value | Category | Cases | |
|---|---|---|---|
| 6 | 244 |
27.9%
|
|
| 7 | 441 |
50.4%
|
|
| 8 | 184 |
21%
|
|
| 9 | 6 |
0.7%
|
|
| Sysmiss | 123 |