Year	current US$
2007	7825809
2008	35447402
2009	34033779
2010	56389955
2011	57506000
2012	48052923
2013	50727070
2014	444117078
2015	373995129
2016	342571275
2017	428267750
2018	432183268
2019	427365767
2020	544164024