rowid,airport_id,charge_type,charge
1,A1,departure,20
2,A1,arrival,10
3,A2,departure,20
4,A2,arrival,0
5,A3,departure,25
6,A3,arrival,10
7,A4,departure,30
8,A4,arrival,0
9,A5,departure,30
10,A5,arrival,10