Year	constant 2010 US$
2003	44537571953.2646
2004	40142543336.2118
2005	43246976892.6818
2006	52464752675.1498
2007	57929825233.3031
2008	51637845279.2261
2009	49177112995.9603
2010	49055099463.2144
2011	14456423207.6922
2012	45985110992.1669
2013	35031364198.4594
2014	15890365228.6493
2015	17326341833.1349
2016	12647585770.3516
2017	21643972840.3909
2018	33847248650.7788