| Valor | Categoría | Casos | |
|---|---|---|---|
| 0 | 3635 |
19.2%
|
|
| 1 | 4224 |
22.3%
|
|
| 2 | 3870 |
20.4%
|
|
| 3 | 3807 |
20.1%
|
|
| 4 | 3395 |
17.9%
|
|
| Sysmiss | 24 |