Year	constant 2021 US$
1980	15127277
1981	23745639
1982	16924091
1983	56859219
1984	40171496
1985	47885528
1986	76264927
1987	119673841
1988	231410067
1989	299859339
1990	309608334
1991	411307331
1992	491757081
1993	438584144
1994	544530275
1995	403840146
1996	343286624
1997	431392847
1998	441084659
1999	475753254
2000	521512485.99999994
2001	513289141
2002	562545943
2003	449499055
2004	1287813591
2005	455671969
2006	459570088
2007	485847023
2008	597336023
2009	505947968
2010	669024431
2011	696951488
2012	621027009
2013	494397720
2014	432824210
2015	363317169
2016	399052784
2017	427975743
2018	408929707
2019	416987095
2020	442467046
2021	446980000
2022	469495442