| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no net | 2363 |
79.8%
|
| 1 | only treated nets | 404 |
13.6%
|
| 2 | both treated and untreated nets | 1 |
0%
|
| 3 | only untreated nets | 195 |
6.6%
|
| Sysmiss | 12751 |