| Value | Category | 
|---|---|
| 0 | I have no problem | 
| 1 | Shortage of finance | 
| 2 | Lack of training | 
| 3 | Problem of working place | 
| 4 | Lack of finance & training | 
| 5 | Lack of working place & finance | 
| 6 | Lack /absence of license | 
| 7 | Shortage/absence of equipment | 
| 8 | Don't know | 
| 9 | Lack of information | 
| 10 | Other | 
| 99 | Not stated |