Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
1 | Airport | 18 |
11.4%
|
2 | Land border crossing | 26 |
16.5%
|
3 | Seaport or waterway | 114 |
72.2%
|
Sysmiss | 457 |