| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 299 |
12.2%
|
|
| 2 | 1680 |
68.6%
|
|
| 3 | 105 |
4.3%
|
|
| 4 | 364 |
14.9%
|
|
| Sysmiss | 7396 |