Year	current US$
2003	1312033460000
2004	1489075550000
2005	1745207100000
2006	3026880290000
2007	7443966980000
2008	3330816510730.5435
2009	7016939451455.578
2010	8393922028297.985
2011	7118482010803.692
2012	7757091798754.844
2013	8016974318285.204
2014	9459759978089.576
2015	11038600179971.914
2016	10707987097270.352
2017	12767980719680.299
2018	10070318420000
2019	13103145370000
2020	16548913850000
2021	19080365550000
2022	15846306320000