Year	current US$
2002	137000000
2003	176000000
2004	195000000
2005	164000000
2006	191000000
2007	223000000
2008	229000000
2009	258000000
2010	282000000
2011	321000000
2012	357000000
2013	377000000
2014	383000000
2015	419000000
2016	428000000
2017	447000000
2018	452000000
2019	411000000
2020	127000000