| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no net | 636 |
46.5%
|
| 1 | only treated nets | 719 |
52.6%
|
| 2 | both treated and untreated nets | 0 |
0%
|
| 3 | only untreated nets | 13 |
1%
|
| Sysmiss | 6260 |