| Valor | Categoría | Casos | |
|---|---|---|---|
| Abierta | 5178 |
7.9%
|
|
| Cerrada | 57588 |
87.9%
|
|
| Dnivel | 1503 |
2.3%
|
|
| Hg | 52 |
0.1%
|
|
| Led | 1200 |
1.8%
|
|
| Na | 14 |
0%
|