| Valor | Categoría | Casos | |
|---|---|---|---|
| 0 | Ninguna | 167 |
85.2%
|
| 1 | 17 |
8.7%
|
|
| 2 | 4 |
2%
|
|
| 3 | 4 |
2%
|
|
| 4 | 2 |
1%
|
|
| 5 | 1 |
0.5%
|
|
| 6 | 1 |
0.5%
|
|
| Sysmiss | 1498 |