| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 31 |
3.1%
|
| -7 | Not VAT eligible | 32 |
3.2%
|
| -6 | VAT refund not available | 40 |
4%
|
| 1 | Yes | 96 |
9.5%
|
| 2 | No | 809 |
80.3%
|