Year	current US$
1970	5893893565.84474
1971	6456781771.689905
1972	7324324394.696024
1973	9045423069.118013
1974	10967675099.142702
1975	12642022208.432451
1976	13323022083.205357
1977	14811484671.99107
1978	17021839483.804026
1979	19829978105.884594
1980	23169866497.30332
1981	24623763135.56109
1982	24336549630.706238
1983	22488524493.58676
1984	21602793834.518307
1985	20795999181.089787
1986	22671485449.66147
1987	26695527261.5403
1988	30046904516.922863
1989	30435986919.807198
1990	31236480676.140118
1991	30161834600.64322
1992	34370918332.49256
1993	37898727387.805214
1994	41706392014.42249
1995	43906091022.578545
1996	45012332487.7589
1997	45321891714.73413
1998	45309899961.73025
1999	45930813001.87249
2000	47144492581.69336
2001	48756201949.33757
2002	53752937937.72237
2003	67132858859.99684
2004	87458389311.20427
2005	104753252645.91913
2006	113223115577.32735
2007	118346693137.54433
2008	132994835829.15446
2009	134447757187.16057
2010	132602670623.66113
2011	132173326954.33362
2012	129798368577.98204
2013	133746329997.04788
2014	133743095713.11546
2015	130198416409.00633
2016	128561321081.76065
2017	129047512386.01239
2018	146459115017.09097
2019	161908258587.87842
2020	156409125851.00415
2021	172256577340.52097
2022	183690579349.6037
2023	190073710279.5172