| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 242 |
11.5%
|
|
| 2 | 1104 |
52.4%
|
|
| 3 | 496 |
23.5%
|
|
| 4 | 266 |
12.6%
|
|
| Sysmiss | 7736 |