| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
1.2%
|
| -7 | Not VAT eligible | 18 |
5.2%
|
| -6 | VAT refund not available | 13 |
3.8%
|
| 1 | Yes | 106 |
30.7%
|
| 2 | No | 204 |
59.1%
|