Year	current US$
1993	31668937097.4467
1994	33980200921.9983
1995	35133160647.1535
1996	34909089333.1982
1997	35076524396.3037
1998	36456280800.9401
1999	36303202384.6436
2000	35288399838.7255
2001	40674903730.4805
2002	52153415242.2029
2003	66294065830.6799
2004	81050646622.0975
2005	88116731188.2345
2006	89768873438.628
2007	106652736584.512
2008	121605120281.515
2009	101544282607.865
2010	101845646610.919
2011	109107845151.845
2012	99336150097.373
2013	107128739369.398
2014	110363065855.453
2015	98263129323.9061
2016	103707819837.568
2017	113926111843.2
2018	128605695256.417
2019	133395230789.824
2020	125891866940.154
2021	143700403603.212