Year	current US$
2000	5187812596.213153
2001	5220337570.461689
2002	6381697836.421153
2003	8012194559.675568
2004	9501740701.41287
2005	10049819547.673262
2006	9739270622.809906
2007	11490235675.582315
2008	11693062374.667969
2009	10083958346.543499
2010	11443500205.511618
2011	13092493306.93374
2012	12980425154.783535
2013	13333822673.18455
2014	14405759075.80884
2015	14992159669.67041
2016	15936202545.051268
2017	17523165240.7899
2018	18121464289.129276
2019	18006738393.257877
2020	11758787756.78475
2021	9693897041.299149
2022	11139778507.056126
2023	16312106586.981684