| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 427 |
51.2%
|
|
| 2 | 213 |
25.5%
|
|
| 3 | 117 |
14%
|
|
| 4 | 77 |
9.2%
|
|
| Sysmiss | 9002 |