| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 16 |
14.4%
|
| -7 | Not VAT eligible | 1 |
0.9%
|
| -6 | VAT refund not available | 2 |
1.8%
|
| 1 | Yes | 52 |
46.8%
|
| 2 | No | 40 |
36%
|