| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no net | 25230 |
29.2%
|
| 1 | only treated nets | 59857 |
69.2%
|
| 2 | both treated and untreated nets | 0 |
0%
|
| 3 | only untreated nets | 1405 |
1.6%
|