| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 569 |
19.2%
|
|
| 2 | 386 |
13%
|
|
| 3 | 425 |
14.4%
|
|
| 4 | 1580 |
53.4%
|
|
| Sysmiss | 6876 |