Year	current US$
1981	12350024021.3174
1982	11855802190.866512
1983	11562298887.301819
1984	8493054345.162512
1985	6366128697.263693
1986	6284766587.266168
1987	8241913334.15177
1988	9763960411.09901
1989	10757468835.976492
1990	11333924380.823101
1991	10871576809.916273
1992	12513504920.334713
1993	12625223677.85181
1994	16402986936.941422
1995	18566845673.29356
1996	21207556955.458668
1997	22502922664.298843
1998	22064026526.51245
1999	30802886367.547604
2000	27938743038.65497
2001	27325438306.7347
2002	29734226542.130314
2003	30994582448.241695
2004	34418493841.09544
2005	40574088496.41811
2006	47522888811.818115
2007	57329698206.84895
2008	65425321892.729225
2009	66780117600.4155
2010	82829741984.9814
2011	86367585787.67465
2012	92020149066.9629
2013	103211174775.63095
2014	111102516066.6112
2015	109201475595.53175
2016	111693970775.55821
2017	116573318806.55615
2018	117257015889.11984
2019	119660976832.39517
2020	89780026412.27794
2021	79617149441.8934
2022	90873234167.44913
2023	119411009527.14212