List of busiest airports by international passenger traffic

Columns: Rank | Airport | Location | Code ( IATA/ICAO ) | Total passengers | % change
8 | Suvarnabhumi Airport | Racha Thewa , Bang Phli , Samut Prakan , Greater Bangkok , Thailand | BKK/VTBS | 41,302,852 | 4.9% | 9 | Seoul Incheon International Airport | Jung-gu , Incheon , Sudogwon , South Korea | ICN/RKSI | 40,785,953 | 6.4% | 10 | Atatürk International Airport | Yeşilköy , Bakırköy , Istanbul , Turkey | IST/LTBA | 33,955,798 | 14.2% | 11 | Kuala Lumpur International Airport | Sepang , Selangor , Malaysia | KUL/WMKK | 32,605,356 | 18.1% | 12 | London Gatwick Airport | Crawley , West Sussex , United Kingdom | LGW/EGKK | 31,657,805 | 4.2% | 13 | Narita International Airport | Narita , Chiba , Kantō , Honshū , Japan | NRT/RJAA | 30,516,135 | 3.0% | 14 | Munich Airport | Oberding / Hallbergmoos / Marzling , Erding / Freising , Bavaria , Germany | MUC/EDDM | 29,216,808 | 2.1%

Example questions:
What is the code of the one of the busiest airports by international passenger traffic that has been in commercial operation since 1998 ? | What is the code of the airport that is the second-busiest airport by international passenger traffic in Europe ? | What is the code of the airport that is the second busiest airport in the world by international passenger traffic ? | What is the code of the one of the busiest airports by international passenger traffic that is currently rated the World 's Best Airport by Skytrax ?

Answers:
HKG/VHHH | CDG/LFPG | LHR/EGLL | SIN/WSSS