Year	current US$
1993	156911534000
1994	186871860000
1995	225613400000
1996	398008370000
1997	473646960000
1998	357049140000
2000	844701830000
2001	527515600000
2002	419748591000
2003	553471170000
2004	707740480000
2005	560060140000
2006	1374652670000
2007	6692042390000
2008	4191871210151.1855
2009	8171667313864.716
2010	8752547484328.823
2011	7164012307844.707
2012	5517321210000
2013	8345468075493.91
2014	12575486672365.39
2015	39846042012132.37
2016	18871678943366.72
2017	17870892144813.95
2018	13771992570000
2019	18904593880000
2020	32534186850000
2021	41591091470000
2022	33434246610000