Year	current international $
2000	157.660187898649
2001	181.565678956679
2002	133.824950225469
2003	154.622427073654
2004	167.574645561408
2005	174.046745406532
2006	174.744223962993
2007	216.810322846179
2008	219.225499319535
2009	169.582508109861
2010	173.248961140987
2011	169.877013449297
2012	163.907836587811
2013	168.156583721787
2014	179.22075549983
2015	180.738438553135
2016	189.313179211782
2017	199.230328204159
2018	207.000884249706
2019	215.872367585528
2020	194.191941049917
2021	207.778389888927