| Valor | Categoría | Casos | |
|---|---|---|---|
| 8 | 2 |
18.2%
|
|
| 9 | 2 |
18.2%
|
|
| 12 | 4 |
36.4%
|
|
| 13 | 3 |
27.3%
|
|
| Sysmiss | 753 |