Year	current US$
1998	57182800000
1999	68015890000
2000	165990040000
2002	68119389999.99999
2003	99127880000
2004	148015880000
2005	201446480000
2006	230541490000
2007	337256850000
2008	226246730000
2009	317665980000
2010	406971640000
2011	363258600000
2012	360958440000
2013	375281370000
2014	370755120000
2015	352384250000
2016	282580471112.14667
2017	378130245974.2068
2018	371107890000
2019	347987110000
2020	869039520000
2021	539214170000
2022	894645330000