| Value | Category | 
|---|---|
| -9 | don't know | 
| -8 | refused | 
| -7 | does not apply | 
| 1 | no need for external consultants | 
| 2 | external consultants are too expensive | 
| 3 | external consultants do not offer the services needed | 
| 4 | there are no external consultants available | 
| 5 | not aware of consultancy services offered | 
| 6 | other_ spontaneous - please specify | 
| Sysmiss |