| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 126 | 
                                    
                                    8.9%
                                 | 
| -7 | Not VAT eligible | 92 | 
                                    
                                    6.5%
                                 | 
| -6 | VAT refund not available | 160 | 
                                    
                                    11.3%
                                 | 
| 1 | Yes | 430 | 
                                    
                                    30.4%
                                 | 
| 2 | No | 608 | 
                                    
                                    42.9%
                                 |