Year	constant 2015 US$
1982	3656623525.431619
1983	4072062829.7483153
1984	4158263371.1280575
1985	4453656441.333178
1986	4961899030.112506
1987	5406458069.123998
1988	6086064686.192988
1989	6337670213.389457
1990	6791896503.452378
1991	7810062134.151739
1992	9059083038.631788
1993	9578281056.257801
1994	10018425140.981623
1995	9864390396.348318
1996	9466576108.186308
1997	9518729564.650507
1998	9114323681.623857
1999	9522750052.658796
2000	8532019410.918441
2001	8559405529.463349
2002	9151165763.350182
2003	10318421293.93357
2004	11940916867.225824
2005	14738069714.003683
2006	17864310072.332283
2007	20903787152.921906
2008	19918093396.684654
2009	17363369014.50158
2010	17250109912.58612
2011	19668588105.26777
2012	21706816799.412556
2013	23128249564.2369
2014	26949358104.24444
2015	27697696669.73911
2016	26179525702.588333
2017	26081730231.73267
2018	26169505229.58927
2019	25101506670.011456
2020	22627896846.856644
2021	23647980578.511147
2022	22025720852.127148
2023	23654280311.441113