The tape tells me that this idea of a Google Forms survey providing an informative context for precise percentages on document verification smells like self-report bias.
People say often what they think is expected, not what they actually do under departure pressure.
The pattern I perceive is that a shortcut is taken between declared intention and actual behavior, which feels off.
If we really wanted to know, we would need to track passport renewal dates versus actual travel dates, to see if it really matches.