| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 439 |
14.7%
|
|
| 2 | 2220 |
74.4%
|
|
| 3 | 184 |
6.2%
|
|
| 4 | 141 |
4.7%
|
|
| Sysmiss | 6852 |