Year	current international $
2000	0.269186287022635
2001	0.447227687323534
2002	0.444466950767913
2003	1.0226963827987
2004	0.882491737700866
2005	1.09666169049265
2006	1.19701335120259
2007	1.35952594548367
2008	1.70921788191684
2009	1.8308969358784
2010	2.45292546787636
2011	2.30313581155546
2012	3.46687038940644
2013	3.64820278754678
2014	4.54094155654974
2015	5.81031090917636
2016	5.13964766632562
2017	4.23261476878238
2018	5.2971379851506
2019	6.02507617835213
2020	7.16534725949894
2021	7.64646158484213