Year	current US$
1980	946934996.0201645
1981	1011968085.106383
1982	1201861436.1702127
1983	1532181117.0212765
1984	1720744946.8085105
1985	1232978723.4042554
1986	984308510.6382979
1987	764095744.6808511
1988	715691489.3617021
1989	765425531.9148936
1990	800531914.893617
1991	913563829.7872341
1992	1027127659.5744681
1993	1207978723.4042554
1994	1110372340.4255319
1995	1013563829.7872341
1996	755585106.3829787
1997	760372340.4255319
1998	867553191.4893616
1999	898936170.2127659
2000	1485265957.4468086
2001	1523590425.531915
2002	2217234042.5531917
2003	2610585106.382979
2004	2960611702.12766
2005	4101808510.638298
2006	5458803191.489363
2007	7290691489.361702
2008	8876090425.531916
2009	5794175531.914893
2010	6697154255.319149
2011	6062260638.297873
2012	8252287234.042553
2013	8057978723.404255
2014	8547340425.531915
2015	7474521276.595745
2016	8305053191.489362
2017	10056622340.425531
2018	11137101063.829786
2019	10742765957.446808
2020	10004120212.765957
2021	9669880851.06383