| Value | Category | Cases | |
|---|---|---|---|
| 0 | no net | 4069 |
44.7%
|
| 1 | only treated nets | 4957 |
54.5%
|
| 2 | both treated and untreated nets | 0 |
0%
|
| 3 | only untreated nets | 77 |
0.8%
|
| Sysmiss | 29343 |