| Value | Category | Cases | |
|---|---|---|---|
| -99 | Refused to answer | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -88 | Not provided | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -77 | Not applicable | 47 | 
                                                                 
                                    
                                    12%
                                 
                                                             | 
                                                        
                    
| -66 | Do not know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -44 | 140 | 
                                                                 
                                    
                                    35.7%
                                 
                                                             | 
                                                        
                    |
| 1 | Buisiness / industry association | 48 | 
                                                                 
                                    
                                    12.2%
                                 
                                                             | 
                                                        
                    
| 2 | Trade Fairs | 49 | 
                                                                 
                                    
                                    12.5%
                                 
                                                             | 
                                                        
                    
| 3 | Study tours | 26 | 
                                                                 
                                    
                                    6.6%
                                 
                                                             | 
                                                        
                    
| 4 | Consultants | 34 | 
                                                                 
                                    
                                    8.7%
                                 
                                                             | 
                                                        
                    
| 5 | Universities / Public institutions | 4 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    
| 6 | Adapted from competitors | 36 | 
                                                                 
                                    
                                    9.2%
                                 
                                                             | 
                                                        
                    
| 7 | other | 8 | 
                                                                 
                                    
                                    2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 389 |