| Valor | Categoría | Casos | |
|---|---|---|---|
| 2 | 6 |
1.5%
|
|
| 3 | 21 |
5.1%
|
|
| 4 | 50 |
12.1%
|
|
| 5 | 335 |
81.3%
|
|
| Sysmiss | 19 |