| Value | Category | Cases | |
|---|---|---|---|
| 2 | 1 |
1.6%
|
|
| 3 | 1 |
1.6%
|
|
| 4 | 2 |
3.3%
|
|
| 5 | 17 |
27.9%
|
|
| 6 | 40 |
65.6%
|
|
| Sysmiss | 140 |