Year	current US$
2004	172341725.556181
2005	161865590.612608
2006	120048126.039415
2007	96115411.9410518
2008	127064213.167584
2009	155674358.060718
2010	127120642.662161
2011	151105057.111296
2012	117999218.449589
2013	106278640.239971
2014	99795784.7819334
2015	68395898.1673639
2016	66754503.0142292
2017	61995082.3304922
2018	58958746.8431269
2019	42016018.4361818
2020	49721161.4593699
2021	53002697.3353181
2022	60712231.8666469