| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 14 |
3.9%
|
| -7 | Not VAT eligible | 28 |
7.8%
|
| -6 | VAT refund not available | 45 |
12.5%
|
| 1 | Yes | 135 |
37.5%
|
| 2 | No | 138 |
38.3%
|