Year	current US$
2001	42053369639.21035
2002	47845064669.84343
2003	57668073519.400955
2004	78428046289.9932
2005	93862491490.81007
2006	112930428863.17223
2007	166134240980.2587
2008	219714363512.5936
2009	187139823008.84958
2010	178610755616.06537
2011	215973042886.31723
2012	239748672566.3717
2013	252509462219.19675
2014	277888359428.18243
2015	266276378488.76788
2016	270442477876.1062
2017	290782845473.11096
2018	281535738597.6855
2019	295599807270.2519
2020	246886262682.09668