| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
2.4%
|
|
| 10 | 2 |
2.4%
|
|
| 11 | 5 |
6.1%
|
|
| 12 | 36 |
43.9%
|
|
| 13 | 33 |
40.2%
|
|
| 14 | 4 |
4.9%
|
|
| Sysmiss | 710 |