Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
2.7%
|
1 | Airport | 8 |
21.6%
|
2 | Land border crossing | 28 |
75.7%
|
3 | Seaport or waterway | 0 |
0%
|
Sysmiss | 971 |