| Valor | Categoría | Casos | |
|---|---|---|---|
| 2 | 2 |
1.2%
|
|
| 3 | 12 |
7.4%
|
|
| 4 | 3 |
1.8%
|
|
| 5 | 146 |
89.6%
|
|
| Sysmiss | 1 |