Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.5%
|
1 | Airport | 16 |
8.4%
|
2 | Land border crossing | 24 |
12.6%
|
3 | Seaport | 150 |
78.5%
|
Sysmiss | 837 |