| Valor | Categoría | Casos | |
|---|---|---|---|
| 2 | 2 |
1.2%
|
|
| 3 | 14 |
8.6%
|
|
| 4 | 21 |
12.9%
|
|
| 5 | 126 |
77.3%
|
|
| Sysmiss | 1 |