| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no net | 8953 |
77%
|
| 1 | only treated nets | 1737 |
14.9%
|
| 2 | both treated and untreated nets | 5 |
0%
|
| 3 | only untreated nets | 933 |
8%
|