Year	current US$
1976	47000000
1977	103000000
1978	105000000
1979	101000000
1980	562599975.6
1981	690599975.6
1982	784299987.8
1983	920500000
1984	945500000
1985	1157800049
1986	1736599976
1987	2070600098
1988	2504500000
1989	2187100098
1990	2413000000
1991	2677600098
1992	2926699951
1993	2886800049
1994	3087100098
1995	3278800000
1996	3353800000
1997	3886700000
1998	4955000000
1999	4332100000
2000	4523500000
2001	4516200000
2002	5134800000
2003	5875200000
2004	5935200000
2005	5200400000
2006	4849500000
2007	5154900000
2008	6978100000
2009	5999500000
2010	5853700000
2011	6602200000
2012	6589100000
2013	6475400000
2014	6573500000
2015	6463900000
2016	6523600000
2017	6526400000
2018	7125100000
2019	7166100000
2020	7434800000
2021	7742300000
2022	7814500000
2023	7653000000