| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 20 |
27.8%
|
|
| 2 | 13 |
18.1%
|
|
| 3 | 19 |
26.4%
|
|
| 4 | 20 |
27.8%
|
|
| Sysmiss | 9772 |