Year	constant 2010 US$
1975	2787387792.44394
1976	3250240173.69984
1977	3305968785.16904
1978	3966557433.1787
1979	4154676553.99508
1980	4927317228.64727
1981	4822875577.07287
1982	5037853543.29256
1983	5229292152.92062
1984	5578792411.87948
1985	6077895312.37428
1986	6205140942.58864
1987	6464848147.36019
1988	6610557418.25478
1989	5615458515.62505
1990	5455261857.08641
1991	5636087948.55003
1992	5993144700.10482
1993	6303018356.04582
1994	6745626230.12415
1995	7374807837.67691
1996	7702263270.80485
1997	7986674594.85037
1998	8289849414.5612
1999	8594385074.68708
2000	9058144466.75128
2001	9513377600.59455
2002	9917478310.81383
2003	10374747436.9874
2004	11081321068.2877
2005	12198738013.3885
2006	12988145138.9147
2007	13934211283.6415
2008	14936566024.1824
2009	15465761345.1836
2010	16069111424.5416
2011	16554488024.6956
2012	17296035608.2641
2013	17885903004.2846
2014	18399368528.0586
2015	18866768217.0957
2016	19343156361.6913
2017	19788084911.8324
2018	20249305037.6731