| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 11 |
2.9%
|
| -7 | Not VAT eligible | 13 |
3.4%
|
| -6 | VAT refund not available | 35 |
9.3%
|
| 1 | Yes | 59 |
15.6%
|
| 2 | No | 260 |
68.8%
|