| Value | Category | Cases | |
|---|---|---|---|
| 4 | 3 |
4.1%
|
|
| 6 | 55 |
75.3%
|
|
| 7 | 6 |
8.2%
|
|
| 8 | 6 |
8.2%
|
|
| 11 | 2 |
2.7%
|
|
| 13 | 1 |
1.4%
|
|
| Sysmiss | 1143 |