| Value | Category | Cases | |
|---|---|---|---|
| Family | 38 |
9.3%
|
|
| From others in the area | 41 |
10%
|
|
| From parents | 279 |
68.2%
|
|
| Self-taught | 43 |
10.5%
|
|
| Trained from a project | 8 |
2%
|