| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | No net | 5876 |
43.7%
|
| 1 | Only treated nets | 6860 |
51%
|
| 2 | Both treated and untreated nets | 0 |
0%
|
| 3 | Only untreated nets | 705 |
5.2%
|
| Sysmiss | 1603 |