Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
2.3%
|
1 | Airport | 9 |
20.9%
|
2 | Land border crossing | 8 |
18.6%
|
3 | Seaport | 25 |
58.1%
|
Sysmiss | 468 |