| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 1589 |
6.8%
|
| 1 | Yes | 674 |
2.9%
|
| 2 | Permanent net | 20916 |
90.1%
|
| 8 | Not sure | 35 |
0.2%
|
| 9 | 174 | ||
| Sysmiss | 13042 |