Year	current US$
2000	5097139231.153765
2001	3696822781.7021294
2002	3695730007.732778
2003	5298509776.72898
2004	5089775611.602508
2005	5596386630.021817
2006	6369370541.570985
2007	8743607493.184252
2008	12832674137.121096
2009	14064252113.33214
2010	18257313468.898716
2011	19490341344.96514
2012	18335091691.93984
2013	17799897376.851223
2014	18237252065.08152
2015	15957931844.566542
2016	16222498481.277143
2017	15459138206.125698
2018	14980620413.644659
2019	15645187874.267744
2020	17712106103.064137
2021	15116967096.232111
2022	13903814096.315756
2023	13241570774.047619