| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
1.4%
|
| -7 | Not VAT eligible | 27 |
7.6%
|
| -6 | VAT refund not available | 26 |
7.4%
|
| 1 | Yes | 116 |
32.9%
|
| 2 | No | 179 |
50.7%
|