| Value | Category | Cases | |
|---|---|---|---|
| 2 | 7 |
3.5%
|
|
| 3 | 10 |
5.1%
|
|
| 4 | 23 |
11.6%
|
|
| 5 | 21 |
10.6%
|
|
| 6 | 136 |
68.7%
|
|
| 7 | 1 |
0.5%
|
|
| Sysmiss | 2 |