Year	current US$
2000	180.18836940664661
2001	142.90336443245687
2002	182.1740382117072
2003	199.6432265368233
2004	221.8305307203071
2005	254.11527601048508
2006	274.0153923340595
2007	376.3182996404176
2008	382.53380721669345
2009	453.3873851425773
2010	562.4992215529714
2011	608.7388503646133
2012	653.4174749102831
2013	638.7331810140403
2014	626.512929086139
2015	566.881129708434
2016	523.053011984748
2017	526.1408010257564
2018	492.09063098615087
2019	497.74143125681337
2020	512.0550980056722
2021	355.7778263926477
2022	352.6037330921071