| Value | Category |
|---|---|
| 1 | Bad address at the border pass control |
| 2 | Expensiveness or absence of air tickets |
| 3 | Bad address of customs staff |
| 4 | Border crossing took excessively much time |
| 7 | Bad address in a country of destination due to ethnicity or |
| 8 | Registration problems in a country of visit |
| 9 | Bribes to Immigrations or Customs staff |
| 10 | Other |
| Sysmiss |