| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 18 |
3.6%
|
| -7 | Not VAT eligible | 20 |
4%
|
| -6 | VAT refund not available | 5 |
1%
|
| 1 | Yes | 313 |
62.4%
|
| 2 | No | 146 |
29.1%
|