Year	current international $
2000	361.580244532154
2001	383.943370953499
2002	408.128115724767
2003	538.870207636972
2004	472.280548190764
2005	400.894302942963
2006	378.818808421918
2007	472.057341381972
2008	429.920829526639
2009	537.178583074464
2010	524.199618303475
2011	508.158714237684
2012	591.941260429394
2013	622.481840050631
2014	600.698683227906
2015	591.501757074535
2016	615.983503061526
2017	706.400577846191
2018	620.534392153901
2019	615.769218858427
2020	622.978737744455
2021	539.891684311992