| Valor | Categoría | Casos | |
|---|---|---|---|
| 0 | Ninguno | 452 |
94.8%
|
| 1 | 20 |
4.2%
|
|
| 2 | 2 |
0.4%
|
|
| 3 | 1 |
0.2%
|
|
| 4 | 1 |
0.2%
|
|
| 6 | 1 |
0.2%
|
|
| Sysmiss | 1426 |