| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 373 |
14.4%
|
|
| 2 | 697 |
26.9%
|
|
| 3 | 970 |
37.5%
|
|
| 4 | 548 |
21.2%
|
|
| Sysmiss | 7248 |