Air Passenger Duty: Airline mark up?

[ExXB]

OK, here's one for Dulles

Fare (A1): VS LONWAS OLXMEG fare (rules) , psgr type ADT £48.00 Fare (A2): VS WASLON OLXMEG fare (rules) , psgr type ADT £48.00 Tax: USDA APHIS Fee $5.00 Tax: US Immigration Fee $7.00 Tax: US Customs Fee $5.50 Tax: United Kingdom Air Passengers Duty £45.00 Tax: United Kingdom Passenger Service Charge £21.20 Tax: US International Arrival Tax $16.10 Tax: VS YQ surcharge £111.00 Tax: US International Departure Tax $16.10 Tax: US September 11th Security Fee $2.50 Tax: US Passenger Facility Charge $4.50 Total for 1 adult passenger: £308.50

In this example the fare and the YQ go to VS (i.e. £48 + £48 + £111 = £207) the rest go to UK (£66.20) & US ($56.70) governments / airports.