Year	constant 2010 US$
2006	2814825556.98517
2007	4036235525.15745
2008	4637562808.96594
2009	3324057696.21453
2010	2805900318.27724
2011	3201055055.19063
2012	3328802058.64427
2013	3229385792.64576
2014	3492957946.77321
2015	3595151350.98531
2016	3983672377.5987
2017	4336590370.42053
2018	4615880002.70874