| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no net | 138 |
58.7%
|
| 1 | only treated nets | 87 |
37%
|
| 2 | both treated and untreated nets | 0 |
0%
|
| 3 | only untreated nets | 10 |
4.3%
|
| Sysmiss | 16852 |