| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.3%
|
| -7 | Not VAT eligible | 32 |
5.3%
|
| -6 | VAT refund not available | 34 |
5.6%
|
| 1 | Yes | 26 |
4.3%
|
| 2 | No | 509 |
84.4%
|