Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
2%
|
1 | Airport | 4 |
7.8%
|
2 | Land border crossing | 13 |
25.5%
|
3 | Seaport | 33 |
64.7%
|
Sysmiss | 111 |