Year	current US$
1980	1823507874.97373
1981	1671865781.06567
1982	1645768277.77529
1983	1491390780.17501
1984	1357763940.29412
1985	1441893585.62964
1986	1891621676.31491
1987	2188391909.84294
1988	2413195754.77657
1989	2411441105.28092
1990	2859336671.42893
1991	2891283822.43447
1992	3092210708.89
1993	2942069308.04814
1994	1722568319.23375
1995	2180982639.05892
1996	2390198549.49633
1997	2248142528.56798
1998	2562948055.80846
1999	3104693117.07206
2000	2777679434.39629
2001	2976861152.2018
2002	3351244907.26993
2003	4382827341.36711
2004	5021122163.45246
2005	5640509835.58388
2006	6012109969.21722
2007	7004137099.31405
2008	8614477525.98165
2009	8434362087.79547
2010	8677201104.51209
2011	10009603005.4336
2012	10801582772.306
2013	11617976781.5574
2014	11920920681.4628
2015	10198918188.6912
2016	11107091685.6132
2017	12200976921.0222
2018	13844982055.3953
2019	13686055030.6714
2020	14690120395.0309
2021	14738025607.9887