Year	constant 2015 US$
2004	241766753.196716
2005	249660455.70373502
2006	245349743.127823
2007	255652184.48638898
2008	231318179.130554
2009	232124903.202057
2010	231580843.21022
2011	237735870.838165
2012	243811065.67382798
2013	255967664.00337198
2014	243641275.644302
2015	245700262.30812103
2016	259367580.41381803
2017	276290166.378021
2018	284973398.68545496
2019	311181855.201721
2020	296653889.656067
2021	293803755.760193
2022	290891391.515732