| Value | Category | 
|---|---|
| 1 | relatives | 
| 2 | friends/acquaintances | 
| 3 | employer | 
| 4 | business contact or associate | 
| 5 | employment agency | 
| 6 | migrant community / association | 
| 7 | embassy of country of origin | 
| 8 | no one | 
| 9 | don't know | 
| 10 | secondment from school | 
| 11 | migration broker | 
| 12 | competition in the embassy | 
| Sysmiss |