Year	current international $
2000	153.0788550014943
2001	160.0488913199026
2002	167.06235943781124
2003	176.35279889896765
2004	187.52474185583472
2005	204.38357110569424
2006	215.4977014833665
2007	227.27861801490346
2008	237.36989119698654
2009	253.70631741361976
2010	264.63117449085587
2011	281.0192676268352
2012	295.97859081667576
2013	306.98249980403233
2014	313.78861247427875
2015	321.49427458531574
2016	340.03133289695654
2017	365.3449573335218
2018	392.75756319596235
2019	418.0383665307404
2020	433.9028297909808
2021	467.0793043563899