Year	current US$
1990	3622935128.85481
1991	3498498145.35749
1992	3400574114.71001
1993	3318856883.62624
1994	3941696179.80455
1995	4351503678.29599
1996	5875062614.34287
1997	6817854828.09713
1998	7934108099.56911
1999	8523951168.57843
2000	9480788730.3029
2001	9854024041.916
2002	11220829415.9894
2003	12380299126.5632
2004	14265009204.6755
2005	15793496689.3066
2006	17790569035.8227
2007	20922792942.7765
2008	25238577824.0059
2009	29783316229.937
2010	33360170041.5021
2011	36533295391.5883
2012	41176128385.9324
2013	45573163464.9151
2014	49237034878.048
2015	53678142829.6102
2016	75443593239.4691
2017	77109569122.8925
2018	84803301378.5201
2019	121402983643.082
2020	131828287055.719
2021	141020395858.264