| Value | Category | Cases | |
|---|---|---|---|
| 6 | 58 |
10.5%
|
|
| 7 | 491 |
88.9%
|
|
| 8 | 2 |
0.4%
|
|
| 9 | 1 |
0.2%
|
|
| Sysmiss | 66 |