| Value | Category | Cases | |
|---|---|---|---|
| 9 | 26 |
10.5%
|
|
| 10 | 207 |
83.8%
|
|
| 11 | 12 |
4.9%
|
|
| 12 | 1 |
0.4%
|
|
| 18 | 1 |
0.4%
|
|
| Sysmiss | 92 |