Year	current US$
1979	5932279493.378924
1980	7255881526.596289
1981	7402132598.439144
1982	7093436888.318834
1983	6904871762.6804285
1984	6927738784.722205
1985	7454542098.091302
1986	7196903411.138237
1987	8040015086.27921
1988	8437454903.155495
1989	8843803103.197277
1990	9422831157.725569
1991	9883575637.352337
1992	10759103850.307997
1993	11624740303.318003
1994	12426681795.129831
1995	14812978137.886509
1996	15142876002.087435
1997	15186816438.878817
1998	15765204661.004755
1999	15785237159.868437
2000	16850572483.186745
2001	17417701944.61894
2002	17744344137.487995
2003	19454488501.67629
2004	23290468437.1847
2005	27106817487.256588
2006	31388417085.57363
2007	37842393832.19625
2008	44394015825.498116
2009	40847910285.90355
2010	48511306180.352104
2011	58496132523.07537
2012	62293613756.44575
2013	68683130650.217186
2014	72247503050.64822
2015	70055292368.06834
2016	70436889972.70247
2017	76019627555.835
2018	85639934594.01135
2019	87003131094.1416
2020	76113079519.65782
2021	87837653679.35158
2022	103231787127.88579
