Year	constant 2010 US$
2000	87197194.0524616
2001	150822676.381692
2002	146447357.774308
2003	90682832.4509231
2004	74618043.6513846
2005	79820681.7053846
2006	52216088.5432308
2007	100772147.363231
2008	137108997.726
2009	284452600
2010	284452600
2011	323838344.615385
2012	422302706.153846
2013	446371772.307692
2014	400421736.923077
2015	422302706.153846
2016	483569420
2017	492321807.692308
2018	470440838.461539