| Value | Category | Cases | |
|---|---|---|---|
| 2 | 1 |
1.6%
|
|
| 3 | 1 |
1.6%
|
|
| 4 | 2 |
3.2%
|
|
| 5 | 18 |
28.6%
|
|
| 6 | 41 |
65.1%
|
|
| Sysmiss | 138 |