Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 6 |
12.5%
|
1 | Airport | 9 |
18.8%
|
2 | Land border crossing | 23 |
47.9%
|
3 | Seaport | 10 |
20.8%
|
Sysmiss | 552 |