Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
1.5%
|
1 | Airport | 23 |
33.8%
|
2 | Land border crossing | 6 |
8.8%
|
3 | Seaport | 38 |
55.9%
|
Sysmiss | 297 |