| Value | Category | Cases | |
|---|---|---|---|
| 7 | 34 |
41.5%
|
|
| 8 | 20 |
24.4%
|
|
| 9 | 1 |
1.2%
|
|
| 10 | 1 |
1.2%
|
|
| 13 | 2 |
2.4%
|
|
| 15 | 12 |
14.6%
|
|
| 16 | 8 |
9.8%
|
|
| 18 | 4 |
4.9%
|
|
| Sysmiss | 228 |