| Value | Category | Cases | |
|---|---|---|---|
| 2 | 1 |
1.7%
|
|
| 6 | 2 |
3.4%
|
|
| 7 | 19 |
32.8%
|
|
| 8 | 36 |
62.1%
|
|
| Sysmiss | 228 |