| Valor | Categoría | Casos | |
|---|---|---|---|
| 0 | 324 |
87.8%
|
|
| 1 | 30 |
8.1%
|
|
| 2 | 11 |
3%
|
|
| 4 | 3 |
0.8%
|
|
| 14 | 1 |
0.3%
|
|
| Sysmiss | 3371 |