Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 6 |
2.8%
|
1 | Airport | 7 |
3.2%
|
2 | Land border crossing | 187 |
86.2%
|
3 | Seaport or waterway | 17 |
7.8%
|
Sysmiss | 1508 |