| Value | Category | Cases | |
|---|---|---|---|
| 0 | no net | 13402 |
43.5%
|
| 1 | only treated nets | 17163 |
55.7%
|
| 2 | both treated and untreated nets | 0 |
0%
|
| 3 | only untreated nets | 255 |
0.8%
|