| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 1204 |
51.9%
|
|
| 2 | 379 |
16.3%
|
|
| 3 | 241 |
10.4%
|
|
| 4 | 496 |
21.4%
|
|
| Sysmiss | 7516 |