| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | Malo | 479631 |
10.7%
|
| 2 | Regular | 1221756 |
27.3%
|
| 3 | Bueno | 2777340 |
62%
|
| 9 | Ignorado | 751 |
0%
|
| Sysmiss | 53684 |