| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
0.9%
|
| -7 | Not VAT eligible | 34 |
7.9%
|
| -6 | VAT refund not available | 18 |
4.2%
|
| 1 | Yes | 30 |
7%
|
| 2 | No | 344 |
80%
|