Year	current US$
2001	94577799237.57658
2002	103298460040.84412
2003	112476088141.59293
2004	132283610047.65147
2005	152409048196.05173
2006	182613073328.7951
2007	237360108917.63104
2008	286380839292.0354
2009	238728273192.64807
2010	230070093914.2274
2011	250771163893.80533
2012	238825375194.00952
2013	250372470605.85434
2014	279658922995.23486
2015	263158770129.3397
2016	266861357522.1239
2017	292344785268.89044
2018	310887609938.7338
2019	308769076786.9299
2020	270517451272.97482