Year	current US$
2000	130.9894296574618
2001	126.27637638659623
2002	106.06238774075698
2003	110.23808810814934
2004	125.6122907273252
2005	150.4455029208199
2006	179.0721142593044
2007	217.65566335555584
2008	257.08109205944726
2009	262.5516517830516
2010	316.8213694588225
2011	363.28774735773237
2012	361.0320704290548
2013	385.8321965570117
2014	387.5123497202052
2015	351.2699033907724
2016	328.78235883546745
2017	363.59430584014206
2018	335.1937782979382
2019	326.3084535018
2020	318.31249041655803
2021	337.66124326093876