| Value | Category | Cases | |
|---|---|---|---|
| 1 | 21 |
7.3%
|
|
| 2 | 5 |
1.7%
|
|
| 9 | 37 |
12.9%
|
|
| 10 | 69 |
24.1%
|
|
| 11 | 87 |
30.4%
|
|
| 12 | 67 |
23.4%
|
|
| Sysmiss | 18 |