Year	current US$
2010	9839837391.285936
2011	11828315588.63806
2012	12042914309.276617
2013	12003268013.623953
2014	13060899804.612888
2015	12403169560.502773
2016	14429083588.544022
2017	15914842919.680666
2018	16905326237.814829
2019	19006539037.43528
2020	20108666134.843674
2021	17009242784.290237
2022	15911602800.74413