Year	current US$
1990	13362340337.865679
1991	13677622222.222223
1992	12870102040.816328
1993	13050333333.333334
1994	12856072053.443613
1995	13316340900.97399
1996	13875892215.568863
1997	14569603773.584906
1998	14887971210.838272
1999	16910465982.028242
2000	13541513969.314003
2001	11196421329.197435
2002	9542788512.801842
2003	10018453435.46029
2004	11980923547.88069
2005	14283209838.805326
2006	17241833852.918976
2007	23242393927.88172
2008	31271456763.724598
2009	34586223673.25774
2010	50620430026.26649
2011	61313053174.66272
2012	68310411485.17786
2013	74402142414.66003
2014	81960281654.24545
2015	87622912879.35631
2016	86990975030.2937
2017	63294216945.275345
2018	54377661277.69984
2019	61019721857.013306
2020	60384777446.29797
2021	69957976119.25658
2022	82043788844.46133
2023	90128111374.63083