Year	current US$
1980	400371451.31334573
1981	501595744.68085104
1982	620478723.4042553
1983	676861702.1276596
1984	803723670.2127659
1985	831914893.6170213
1986	830850797.8723404
1987	826861702.1276596
1988	902127659.5744681
1989	948669946.8085107
1990	1024202127.6595745
1991	1079787234.0425532
1992	1133510638.2978723
1993	1158244680.8510637
1994	1170212765.9574468
1995	1219414893.6170213
1996	1234840425.531915
1997	1236968085.106383
1998	1284042553.1914895
1999	1378191489.3617022
2000	1468989361.7021277
2001	1549335106.3829787
2002	1695079787.2340426
2003	1917712765.9574468
2004	2030186170.212766
2005	2244680851.06383
2006	2352180851.06383
2007	2629281914.893617
2008	2903537234.042553
2009	3206356382.9787235
2010	3324095744.680851
2011	3981515957.4468083
2012	4748404255.319149
2013	5060611702.12766
2014	5383856382.978724
2015	5491382978.723405
2016	5515771276.595744
2017	5898031914.893617
2018	6156462765.957447
2019	6064680851.063829
2020	5933114627.6595745
2021	6211130053.191489