| Valor | Categoría | Casos | |
|---|---|---|---|
| 0 | 601 |
16.6%
|
|
| 1 | 706 |
19.5%
|
|
| 2 | 764 |
21.1%
|
|
| 3 | 766 |
21.2%
|
|
| 4 | 776 |
21.5%
|
|
| Sysmiss | 144 |