Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
1.2%
|
1 | Airport | 10 |
12%
|
2 | Land border crossing | 4 |
4.8%
|
3 | Seaport | 68 |
81.9%
|
Sysmiss | 517 |