Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
1 | Airport | 8 |
4.4%
|
2 | Land border crossing | 25 |
13.7%
|
3 | Seaport or waterway | 149 |
81.9%
|
Sysmiss | 463 |