Year	current US$
1970	409429216109.71936
1971	463021716594.42004
1972	558386248781.0707
1973	717757011734.9872
1974	813617102222.906
1975	970631519110.5944
1976	1015240055952.5768
1977	1153603452373.283
1978	1390653584758.562
1979	1688987021639.419
1980	1908795983767.6404
1981	1681582683365.607
1982	1624555161345.3196
1983	1574894445582.6533
1984	1506503283774.555
1985	1548152283259.3403
1986	2140604503972.0107
1987	2662090637569.0483
1988	2890571047345.6226
1989	2952274843751.851
1990	3671683530218.729
1991	3801069664500.4277
1992	4205044844858.3906
1993	3842991955256.454
1994	4043406708297.1147
1995	4636137017335.065
1996	4740338655133.293
1997	4327437749299.513
1998	4445987504407.873
1999	4431749440772.405
2000	4070596220876.9814
2001	4127464504345.9683
2002	4488060826019.514
2003	5530953205811.244
2004	6329405023428.62
2005	6627340037410.543
2006	7007286655689.511
2007	8027997913858.939
2008	8941299564386.14
2009	8248108005908.35
2010	8096996816390.821
2011	8737287364168.598
2012	8144896013125.869
2013	8454652884552.515
2014	8565923728137.626
2015	7323911609355.338
2016	7481906888860.935
2017	7915670510489.69
2018	8546459108903.672
2019	8321548189541.976
2020	7925180049635.133
2021	8802496172097.924
2022	8740857148349.803
2023	9588784752124.416