{"entity":{"iso2":"HK","iso3":"HKG","name":"Hong Kong","slug":"hong-kong-sar-china"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"air-passenger-kilometers","source":"International Civil Aviation Organization and International Transport Forum \u2013 processed by Our World in Data","source_url":"https://ourworldindata.org/grapher/air-passenger-kilometers","title":"Passenger-kilometers by air","unit":"revenue passenger kilometres"},"observations":[{"date":"2017-01-01","value":150194000000.0},{"date":"2018-01-01","value":158404000000.0},{"date":"2019-01-01","value":159668000000.0},{"date":"2020-01-01","value":22553600000.0},{"date":"2021-01-01","value":4240160000.0}],"summary":{"latest_period":"2021-01-01","latest_value":4240160000.0,"max":159668000000.0,"mean":99011900000.0,"min":4240160000.0,"of":150,"rank":74,"trend":"volatile"}}