| Value | Category | Cases | |
|---|---|---|---|
| 8 | 2 |
0.5%
|
|
| 9 | 106 |
25.5%
|
|
| 10 | 132 |
31.7%
|
|
| 11 | 115 |
27.6%
|
|
| 12 | 55 |
13.2%
|
|
| 13 | 6 |
1.4%
|
|
| Sysmiss | 3 |