Year	current international $
2000	27.7535737930047
2001	22.6860059834151
2002	23.7577245782568
2003	18.3885558010433
2004	47.759987976624
2005	55.5773875125769
2006	49.530135567006
2007	37.3306598062978
2008	53.7877477519134
2009	109.584636427393
2010	100.813150154412
2011	99.563136272221
2012	89.8583018692347
2013	90.4354324843115
2014	114.953162423526
2015	127.654974483817
2016	132.187587774852
2017	157.288475663787
2018	153.815495152352
2019	118.531976509001
2020	247.429092182528
2021	259.805155973887