Year	current US$
1979	5824000000
1980	5156000000
1981	5659000000
1982	4663000000
1983	4567000000
1984	5632000000
1985	5705000000
1986	5433000000
1987	6527000000
1988	7746000000
1989	9397000000
1990	10774000000
1991	11926000000
1992	12893000000
1993	13708000000
1994	15878470000
1995	14509280000
1996	16375578000
1997	19270018000
1998	11335403360
1999	11407338160
2000	13291081279
2001	12294248224
2002	15342624152
2003	15693556565
2004	17100864120
2005	19299038934
2006	20209903078
2007	22825189338
2008	24113708079
2009	20629033455
2010	21946853143
2011	23365221679
2012	24489278878
2013	27198606927
2014	31017514930
2015	32586891974
2016	33914164322
2017	37816911797
2018	39975726294
2019	43968609128
2020	28331984785
2021	42248961336
2022	51964956859
2023	55537081363