Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
1 | Airport | 9 |
10.8%
|
2 | Land border crossing | 16 |
19.3%
|
3 | Seaport or waterway | 58 |
69.9%
|
Sysmiss | 896 |