| Value | Category | Cases | |
|---|---|---|---|
| 2 | 4 |
12.9%
|
|
| 3 | 12 |
38.7%
|
|
| 6 | 1 |
3.2%
|
|
| 7 | 13 |
41.9%
|
|
| 8 | 1 |
3.2%
|
|
| Sysmiss | 1018 |