Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
1.9%
|
1 | Airport | 6 |
5.6%
|
2 | Land border crossing | 9 |
8.4%
|
3 | Seaport | 90 |
84.1%
|
Sysmiss | 1193 |