| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 98 |
16%
|
| -7 | Not VAT eligible | 26 |
4.2%
|
| -6 | VAT refund not available | 89 |
14.5%
|
| 1 | Yes | 136 |
22.2%
|
| 2 | No | 263 |
43%
|