| Value | Category | Cases | |
|---|---|---|---|
| 2 | 4 |
2%
|
|
| 3 | 3 |
1.5%
|
|
| 4 | 14 |
7.1%
|
|
| 5 | 25 |
12.7%
|
|
| 6 | 15 |
7.6%
|
|
| 7 | 136 |
69%
|
|
| Sysmiss | 3 |