Year	current US$
1989	10072402522.95665
1990	10436548293.122982
1991	9239312976.519302
1992	9623361124.672005
1993	10270978661.442825
1994	11546208041.139984
1995	12646964401.825462
1996	13145513575.470451
1997	14833193140.534988
1998	14643313314.019981
1999	15621571674.020058
2000	18778886809.801582
2001	17796146482.048134
2002	20155584325.476173
2003	23536433531.75859
2004	26442853580.182358
2005	31532131736.23741
2006	39548750655.57793
2007	47321356373.62027
2008	50489566595.04007
2009	40302643809.22626
2010	45772981332.19145
2011	53555859998.92761
2012	55070314479.80472
2013	56658007664.78708
2014	57985714568.87332
2015	52720646672.8927
2016	53897785339.244995
2017	60866921016.034424
2018	66916326892.86844
2019	69476383617.49689
2020	52742911223.08154
2021	69642243892.82501
2022	88386478558.61774
2023	86080900880.77759