Year	current US$
1979	373092077019.2018
1980	444445297901.42645
1981	456958636823.31976
1982	442826502311.9983
1983	424767705776.2898
1984	437342831660.8419
1985	449379177544.1899
1986	510049083758.6599
1987	594167449285.8337
1988	666822222583.6172
1989	722629653189.6733
1990	878024743891.9126
1991	918923630441.2509
1992	1038116564860.384
1993	1039224396983.925
1994	1110788651398.7224
1995	1282649430390.0986
1996	1351952065306.9055
1997	1393462892348.8323
1998	1405834252897.2693
1999	1493340235024.149
2000	1603049722461.3284
2001	1617034727542.994
2002	1702001430516.7207
2003	1929249752949.0112
2004	2323001770473.088
2005	2569101719130.484
2006	2867310936087.324
2007	3388616891132.534
2008	3834238286091.301
2009	3432006777271.941
2010	3771301935433.0366
2011	4209235969092.368
2012	4365456075936.5044
2013	4623953414456.347
2014	4996173223785.048
2015	4767277878841.281
2016	4816658447222.997
2017	5227874704835.437
2018	5681636889604.383
2019	5847550558903.539
2020	4869714311687.431
2021	5643497247967.913
2022	6499131426168.831
2023	7118772064900.069