Year	constant 2010 US$
1991	2564996972493.75
1992	2588968229808.67
1993	2555695342031.07
1994	2676270132777.14
1995	2740724181569.83
1996	2878417158404.58
1997	3019214865478.47
1998	3093417450943.15
1999	3222632096323.36
2000	3425505706556.65
2001	3596782152621.76
2002	3810801171885.05
2003	4014036284061.06
2004	4298148870263.89
2005	4634019108805.29
2006	5063283329712.69
2007	5643877036839.44
2008	6043251435453.97
2009	6262379838917.3
2010	6671922106046.94
2011	7089410116061.42
2012	7504171369908.19
2013	7920937516036.52
2014	8298290473695.73
2015	8644460188239.71
2016	9007539463607.18
2017	9474663300242.4
2018	9987798686896.6