| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | No net | 206 |
23.6%
|
| 1 | Only treated nets | 424 |
48.5%
|
| 2 | Both treated and untreated nets | 0 |
0%
|
| 3 | Only untreated nets | 244 |
27.9%
|