| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 2670 |
81.4%
|
|
| 2 | 179 |
5.5%
|
|
| 3 | 345 |
10.5%
|
|
| 4 | 86 |
2.6%
|
|
| Sysmiss | 6556 |