| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 12 |
21.8%
|
|
| 2 | 21 |
38.2%
|
|
| 3 | 12 |
21.8%
|
|
| 4 | 10 |
18.2%
|
|
| Sysmiss | 9789 |