| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no net | 3 |
75%
|
| 1 | only treated nets | 1 |
25%
|
| 2 | both treated and untreated nets | 0 |
0%
|
| 3 | only untreated nets | 0 |
0%
|
| Sysmiss | 8107 |