| Valor | Categoría | Casos | |
|---|---|---|---|
| 2 | 4 |
0.9%
|
|
| 3 | 21 |
4.9%
|
|
| 4 | 90 |
21.2%
|
|
| 5 | 310 |
72.9%
|
|
| Sysmiss | 30 |