| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
4%
|
| -7 | Not VAT eligible | 1 |
0.7%
|
| -6 | VAT refund not available | 6 |
4%
|
| 1 | Yes | 89 |
59.3%
|
| 2 | No | 48 |
32%
|