Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 54 |
78.3%
|
1 | Airport | 6 |
8.7%
|
2 | Land border crossing | 8 |
11.6%
|
3 | Seaport | 1 |
1.4%
|
Sysmiss | 950 |