| Value | Category | Cases | |
|---|---|---|---|
| Family | 42 |
10%
|
|
| From others in the area | 33 |
7.9%
|
|
| From parents | 286 |
68.4%
|
|
| Self-taught | 53 |
12.7%
|
|
| Trained from a project | 4 |
1%
|