Year	current US$
2000	111.48516419857681
2001	114.49909039878835
2002	113.65258309957194
2003	109.94431931258656
2004	120.56747451850855
2005	134.29072172548368
2006	154.01687990589673
2007	180.18154495586197
2008	211.52164909559534
2009	227.1975128199122
2010	236.99109638778225
2011	269.758125992248
2012	293.36181496948956
2013	328.03847148614716
2014	355.1657858078626
2015	337.7537561075319
2016	360.4705013900271
2017	352.2453842764531
2018	367.97620915613624
2019	374.9589582013441
2020	380.6515687606761
2021	401.86340116408854