Year	current US$
2000	76.04708276084287
2001	76.97714932233198
2002	76.0685849218418
2003	84.8528075067598
2004	98.6766985472507
2005	116.32931369401788
2006	134.28345557214388
2007	162.45412807567516
2008	196.09361656930244
2009	200.08279019971638
2010	230.88422486612757
2011	268.24124726354694
2012	285.50972289666595
2013	305.6618014728059
2014	312.55779070832483
2015	297.60520654100145
2016	295.8819203904477
2017	324.40474025297164
2018	341.937122629211
2019	351.9907549445706
2020	360.6033779000607
2021	413.53282233245324