| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 126 |
8.9%
|
| -7 | Not VAT eligible | 92 |
6.5%
|
| -6 | VAT refund not available | 160 |
11.3%
|
| 1 | Yes | 430 |
30.4%
|
| 2 | No | 608 |
42.9%
|