Year	current US$
1983	22870000000
1984	22557142857.142857
1985	15551666666.666666
1986	18546808510.638298
1987	21320560747.66355
1988	23659428571.42857
1989	11888860206.925877
1990	19785104979.808815
1991	27769271211.32669
1992	38211583094.59926
1993	46609970270.27027
1994	51399500500
1995	47736933000
1996	53406319800
1997	60990966300
1998	62691747400
1999	50645509000
2000	49830828800
2001	41986461000
2002	10606870818.483088
2003	18049680786.070667
2004	28899558549.996605
2005	37537987445.41485
2006	43442829424.376305
2007	57791082382.35671
2008	70766944271.47215
2009	53453089198.99675
2010	75005496430.93866
2011	97540924275.08551
2012	90097938093.7597
2013	95532250251.42198
2014	90857938989.90826
2015	101527895313.53004
2016	98478204195.30193
2017	117221253482.2961
2018	87192973455.90987
2019	63626076655.65089
2020	55605095047.408195
2021	88102226420.1284
2022	111237543066.91727
2023	124735384481.14095