| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.6%
|
| -7 | Not VAT eligible | 17 |
10.9%
|
| -6 | VAT refund not available | 2 |
1.3%
|
| 1 | Yes | 36 |
23.1%
|
| 2 | No | 100 |
64.1%
|