| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no net | 30384 |
76.4%
|
| 1 | only treated nets | 6128 |
15.4%
|
| 2 | both treated and untreated nets | 20 |
0.1%
|
| 3 | only untreated nets | 3261 |
8.2%
|