I have another question for you.
You said earlier that you estimated the wait time at the moment to be 15 minutes on average. From what I understand, you estimate it from the first scan, so when people scan their passport at the kiosk, until they meet an agent.
I wonder if this data underestimates the actual wait time. In my own recent experience, when I came back from abroad, the airport was so crowded with passengers getting off planes that just getting to the first scan was a feat. So there's also a queue before you get there.
Wouldn't it be more appropriate to measure the data from the time of deplaning of the aircraft?