| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
1.4%
|
| -7 | Not VAT eligible | 1 |
0.3%
|
| -6 | VAT refund not available | 7 |
1.9%
|
| 1 | Yes | 16 |
4.4%
|
| 2 | No | 335 |
92%
|