Year	current US$
2000	240.54742546132883
2001	223.46744533013373
2002	225.08434569301434
2003	252.52713947745337
2004	279.14192672364754
2005	293.2971228452224
2006	299.05464991468585
2007	323.18335431337715
2008	376.16008777174204
2009	421.609572542239
2010	480.04648047523057
2011	589.6722607575861
2012	628.5681805399812
2013	604.7535360781517
2014	619.2422152296061
2015	605.8202295719801
2016	639.374867840748
2017	671.9870625803876
2018	727.4112502287229
2019	759.5985546631752
2020	792.7727337788612
2021	876.040890486476