| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 2 |
6.9%
|
|
| 2 | 16 |
55.2%
|
|
| 3 | 7 |
24.1%
|
|
| 4 | 4 |
13.8%
|
|
| Sysmiss | 9807 |