| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 44 |
6.8%
|
| -7 | Not VAT eligible | 83 |
12.8%
|
| -6 | VAT refund not available | 134 |
20.6%
|
| 1 | Yes | 30 |
4.6%
|
| 2 | No | 358 |
55.2%
|