| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 | 
                                    
                                    0.6%
                                 | 
| -7 | Not VAT eligible | 4 | 
                                    
                                    1.1%
                                 | 
| -6 | VAT refund not available | 16 | 
                                    
                                    4.4%
                                 | 
| 1 | Yes | 9 | 
                                    
                                    2.5%
                                 | 
| 2 | No | 332 | 
                                    
                                    91.5%
                                 |