Year	constant 2010 US$
1980	3820915968.47828
1981	4295617624.06184
1982	4192567574.53261
1983	4259066101.58125
1984	4149581289.37117
1985	3572137671.93555
1986	3966725429.19167
1987	4597885632.46841
1988	4326903033.08297
1989	4684420634.61845
1990	5116222148.90656
1991	5626326027.12428
1992	5884786590.30011
1993	5823362353.614
1994	5908581598.5638
1995	6279919667.45607
1996	6361288590.52048
1997	6615574177.14099
1998	6876186177.30903
1999	6926834415.99717
2000	7397432457.24144
2001	7428462458.58539
2002	7910678008.59675
2003	8505419377.33721
2004	9206530669.36931
2005	9193153525.05494
2006	9921321116.14402
2007	10148702784.3653
2008	10432962457.0766
2009	10436359795.5819
2010	10849382546.5771
2011	11533015832.2189
2012	11931322827.0578
2013	13061173266.9724
2014	13960509908.7773
2015	14770316389.8066
2016	14711089849.144
2017	14411471163.372
2018	14540744929.5018