Year	constant 2015 US$
1980	2269607125.2975445
1981	2358872523.16612
1982	2551265916.838408
1983	2545565669.529761
1984	2513964657.6599236
1985	2543766178.1464033
1986	2792390580.326458
1987	2773475902.8950777
1988	2938347694.847507
1989	2947121325.5706244
1990	2954583696.777373
1991	3170003258.9442964
1992	3182054071.556773
1993	3273173501.264666
1994	3037292097.8484592
1995	3284254446.6432476
1996	3636632611.735767
1997	3815484395.916632
1998	4154565919.204123
1999	4288612446.225989
2000	4451821427.345731
2001	4742746875.416161
2002	4940440921.6700735
2003	5312789109.324673
2004	5561141365.34817
2005	5964879954.86849
2006	6302128042.566383
2007	6543479587.350717
2008	6867097936.323217
2009	7024092811.299075
2010	7597917074.048355
2011	8059324830.094165
2012	9057110755.907072
2013	9359747743.713348
2014	9661290106.536112
2015	10198918188.6912
2016	11061483719.536871
2017	11772146316.636393
2018	12686651117.367216
2019	13592792720.50085
2020	13698692707.71676
2021	12955920739.619444