| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | No net | 3234 |
28.1%
|
| 1 | Only treated nets | 5383 |
46.8%
|
| 2 | Both treated and untreated nets | 8 |
0.1%
|
| 3 | Only untreated nets | 2872 |
25%
|