Year	constant 2015 US$
2006	12383821.955997145
2007	13205442.041386968
2008	13929288.024674738
2009	15352778.138999796
2010	15127538.646728069
2011	15677241.773023413
2012	15846033.293212896
2013	16120625.920708844
2014	17445649.6452577
2015	17829609.93694383
2016	18298025.275431942
2017	19697401.28940804
2018	19894146.7642179
2019	20767264.47670563
2020	20296692.609804038
2021	22193653.798757393
2022	22132216.65263905