| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 9 |
2.2%
|
|
| 2 | 3 |
0.7%
|
|
| 3 | 18 |
4.4%
|
|
| 4 | 83 |
20.3%
|
|
| 5 | 296 |
72.4%
|
|
| Sysmiss | 22 |