Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.4%
|
1 | Airport | 82 |
30.9%
|
2 | Land border crossing | 97 |
36.6%
|
3 | Seaport or waterway | 85 |
32.1%
|
Sysmiss | 2432 |