| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
0.5%
|
| -7 | Not VAT eligible | 36 |
6.2%
|
| -6 | VAT refund not available | 40 |
6.9%
|
| 1 | Yes | 113 |
19.4%
|
| 2 | No | 390 |
67%
|
| Sysmiss | 850 |