| Valor | Categoría | Casos | |
|---|---|---|---|
| 2 | 10 |
4.6%
|
|
| 3 | 20 |
9.2%
|
|
| 4 | 49 |
22.6%
|
|
| 5 | 138 |
63.6%
|
|
| Sysmiss | 214 |