Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
2.4%
|
1 | Airport | 4 |
4.8%
|
2 | Land border crossing | 73 |
88%
|
3 | Seaport or waterway | 4 |
4.8%
|
Sysmiss | 185 |