| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 8 |
10.7%
|
|
| 2 | 19 |
25.3%
|
|
| 3 | 31 |
41.3%
|
|
| 4 | 17 |
22.7%
|
|
| Sysmiss | 9761 |