Year	current US$
1977	768928900
1978	987169800
1979	1011683300
1980	1050322000.0000005
1981	984470400
1982	1614615400
1983	1483826200
1984	771563800
1985	1019335100
1986	982233500
1987	1587200800
1988	937843300
1989	138270700
1990	1019486000
1991	834042900
1992	1375243800
1993	1744037000
1994	2155528900
1995	2139515700
1996	2465644500
1997	2770570000
1998	2346099000
1999	2228762300
2000	2695047200
2001	2448195200
2002	2426568000
2003	2452071700
2004	2261081900
2005	2817741700
2006	3600638000
2007	5640684200
2008	7026788600
2009	7377035600
2010	6665287600
2011	9524624300
2012	11905334400
2013	13882594000
2014	13706364400
2015	17100313800
2016	17205987000
2017	19644178500
2018	22355681486.9123
2019	21567624083.76171
2020	14470038959.706305
2021	20654837049.3787
2022	28430373010.798893