Year	current international $
2000	0.320291443534004
2001	2.16071082371647
2002	1.60186126080278
2003	1.4095033779297
2004	3.21864980933223
2005	4.17149344555224
2006	8.40006657018488
2007	4.83856023273846
2008	5.44676157995853
2009	9.47584538812858
2010	5.76293969377328
2011	5.07177401049857
2012	3.8511548662604
2013	5.36016689441542
2014	6.2681871333652
2015	5.06153896688273
2016	6.94304965480834
2017	6.2743191653699
2018	6.20997969990774
2019	6.8375448667011
2020	11.060824207766
2021	9.61651639759329