| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no net | 14 |
33.3%
|
| 1 | only treated nets | 26 |
61.9%
|
| 2 | both treated and untreated nets | 0 |
0%
|
| 3 | only untreated nets | 2 |
4.8%
|
| Sysmiss | 17617 |