Year	current US$
1990	537502279.4104729
1991	508648082.85270125
1992	572500411.4181206
1993	765667146.1373256
1994	929865169.5700344
1995	1265179894.3152344
1996	1295157275.6977825
1997	1246175397.8982966
1998	1230116906.9143732
1999	1291630218.9900444
2000	1445863125.988468
2001	1876854721.0219812
2002	2017946246.935474
2003	2295888513.7089357
2004	2675290129.3030424
2005	3124155526.2969255
2006	3428845588.914405
2007	4335060981.527083
2008	5439934817.320018
2009	5349218508.307419
2010	6276937178.610285
2011	7497823534.824176
2012	8870630510.221876
2013	8679120269.932388
2014	9032206214.442684
2015	8110109048.575173
2016	8138103520.928669
2017	8344707045.485317
2018	8401858982.596102
2019	9786702081.684732
2020	8921839002.430593
2021	9976590469.469692
2022	11678964531.407644
2023	14093918474.404362