| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 19 |
17.9%
|
|
| 2 | 34 |
32.1%
|
|
| 3 | 30 |
28.3%
|
|
| 4 | 23 |
21.7%
|
|
| Sysmiss | 9738 |