| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 68 |
5.2%
|
| -7 | Not VAT eligible | 325 |
25%
|
| -6 | VAT refund not available | 349 |
26.8%
|
| 1 | Yes | 33 |
2.5%
|
| 2 | No | 525 |
40.4%
|