Year	current US$
2000	342.7877992740691
2001	343.37928863954903
2002	368.84390895259895
2003	423.21042229533094
2004	465.85432298074767
2005	487.13172971888423
2006	517.5905371632803
2007	560.4427056731591
2008	603.4234098423067
2009	589.4086078563182
2010	607.5425898263433
2011	651.341172908392
2012	654.6575332964416
2013	659.1004440982965
2014	668.2652593142169
2015	628.4997062794133
2016	642.1993567258854
2017	664.460296139632
2018	697.2235539717192
2019	703.3490942975584
2020	680.1472295116163
2021	760.8813793018462