| Value | Category | Cases | |
|---|---|---|---|
| 4 | 1 |
1.5%
|
|
| 9 | 38 |
55.9%
|
|
| 10 | 21 |
30.9%
|
|
| 11 | 5 |
7.4%
|
|
| 12 | 2 |
2.9%
|
|
| 13 | 1 |
1.5%
|
|
| Sysmiss | 7905 |