| Value | Category | Cases | |
|---|---|---|---|
| 8 | 4 |
1.6%
|
|
| 9 | 13 |
5.1%
|
|
| 10 | 25 |
9.7%
|
|
| 11 | 45 |
17.5%
|
|
| 12 | 55 |
21.4%
|
|
| 13 | 29 |
11.3%
|
|
| 14 | 44 |
17.1%
|
|
| 15 | 26 |
10.1%
|
|
| 16 | 8 |
3.1%
|
|
| 17 | 5 |
1.9%
|
|
| 18 | 3 |
1.2%
|
|
| Sysmiss | 5 |