| Value | Category | Cases | |
|---|---|---|---|
| 1 | Restriction related to document | 701 |
14%
|
| 2 | Any other reason | 304 |
6.1%
|
| 3 | Volunteered response: I did not need to travel | 3917 |
78.2%
|
| 99 | Refuse to answer | 45 |
0.9%
|
| Missing value | 40 |
0.8%
|