Year	constant 2010 US$
1980	3189625775.8153
1981	4277526536.04953
1982	4371735693.18497
1983	4223835384.86902
1984	4359738261.42414
1985	3975630562.26481
1986	4229282716.73443
1987	4821340895.97565
1988	4622809352.41612
1989	4701304497.37386
1990	4136375894.09336
1991	4706727531.00585
1992	4674754425.50402
1993	4677359462.92957
1994	4719458545.04726
1995	4858443561.16484
1996	5261740493.36174
1997	5604336884.66372
1998	5800624706.3323
1999	5927915218.81659
2000	6197449024.75004
2001	6654044405.28875
2002	6537632177.78506
2003	6994537466.53554
2004	7180244290.55346
2005	7115899606.62187
2006	7773546495.11009
2007	8370310154.0731
2008	9377023834.89046
2009	10404365746.0526
2010	10015713749.1122
2011	10841125949.2979
2012	11686757157.2966
2013	12644391780.0361
2014	13437393023.0017
2015	15141300633.7759
2016	15927551099.4612
2017	15462502891.8586
2018	15752417849.8743