| Value | Category | Cases | |
|---|---|---|---|
| 0 | no net | 15217 |
39.6%
|
| 1 | only treated nets | 22880 |
59.5%
|
| 2 | both treated and untreated nets | 0 |
0%
|
| 3 | only untreated nets | 349 |
0.9%
|