| Value | Category | Cases | |
|---|---|---|---|
| A gift from God | 6 |
6.7%
|
|
| Experience | 2 |
2.2%
|
|
| On-the-job in a formal private enterprise | 8 |
8.9%
|
|
| On-the-job in a public enterprise | 1 |
1.1%
|
|
| Through contractor | 1 |
1.1%
|
|
| Through craftsman/technician | 1 |
1.1%
|
|
| Through training in the army | 12 |
13.3%
|
|
| by courses | 2 |
2.2%
|
|
| by practice | 16 |
17.8%
|
|
| by training | 14 |
15.6%
|
|
| self-education | 15 |
16.7%
|
|
| through a family member | 1 |
1.1%
|
|
| through a family member | 4 |
4.4%
|
|
| through a friend | 4 |
4.4%
|
|
| through courses | 3 |
3.3%
|