| Value | Category | 
|---|---|
| 0 | None | 
| 1 | Lack of funding | 
| 2 | Finding a convenient location | 
| 3 | Slow administrative procedures | 
| 4 | Difficulty in obtaining the necessary licenses | 
| 5 | Lack of clear information | 
| 6 | Venality | 
| 7 | No management training | 
| 96 | Other difficulty | 
| 2147483625 | Don't know | 
| 2147483634 | Missing | 
| 2147483636 | Other | 
| 2147483639 | Refused | 
| Sysmiss |