List of busiest airports by cargo traffic

Columns: Rank | Airport | Location | Code ( IATA/ICAO ) | Total Cargo ( tonnes ) | % Change
1 | Hong Kong International Airport | Chek Lap Kok , Islands , New Territories , Hong Kong | HKG/VHHH | 4,422,227 | 0.4% | 2 | Memphis International Airport | Memphis , Tennessee , United States | MEM/KMEM | 4,290,638 | 0.8% | 3 | Shanghai Pudong International Airport | Pudong , Shanghai , China | PVG/ZSPD | 3,275,231 | 2.9% | 4 | Ted Stevens Anchorage International Airport | Anchorage , Alaska , United States | ANC/PANC | 2,630,701 | 5.5% | 5 | Incheon International Airport | Incheon , Seoul National Capital Area , South Korea | ICN/RKSI | 2,595,678 | 1.5% | 6 | Dubai International Airport | Dubai , United Arab Emirates | DXB/OMDB | 2,506,092 | 3.4% | 7 | Louisville International Airport | Louisville , Kentucky , United States | SDF/KSDF | 2,350,656 | 2.5%

Example questions:
What is the county location of the 2015 busiest airports by cargo traffic that moves 4,290,638 tons of cargo per year ? | How many are employed by the 2015 busiest airports by cargo traffic that moves the most tons of cargo every year ? | How many weekly flights were operated by the 2015 busiest airports by cargo traffic that moves 2,506,092 tons of cargo per in 2016 ? | What is the FAA classification of the 2015 busiest airports by cargo traffic that moves 2,630,701 tons of cargo per year ?

Answers:
Shelby County | 65,000 | 7,700 | medium-hub primary commercial service facility