| Value | Category | Cases | |
|---|---|---|---|
| 7 | 139 |
56.3%
|
|
| 8 | 68 |
27.5%
|
|
| 13 | 6 |
2.4%
|
|
| 14 | 16 |
6.5%
|
|
| 15 | 9 |
3.6%
|
|
| 16 | 8 |
3.2%
|
|
| 18 | 1 |
0.4%
|
|
| Sysmiss | 63 |