| Valor | Categoría | Casos | |
|---|---|---|---|
| 0 | 166 |
87.8%
|
|
| 1 | 21 |
11.1%
|
|
| 2 | 1 |
0.5%
|
|
| 7 | 1 |
0.5%
|
|
| Sysmiss | 3551 |