| Value | Category | Cases | |
|---|---|---|---|
| 1 | Purchased | 53 |
71.6%
|
| 2 | provided by NGO/Aid agency | 20 |
27%
|
| 3 | Own manufacture | 1 |
1.4%
|
| 4 | Other (specify) | 0 |
0%
|
| Sysmiss | 4106 |