Year	constant 2010 US$
1988	41881033612.9166
1989	44692250493.7155
1990	44417563421.5598
1991	42776273019.8606
1992	41627924276.68
1993	41537294028.178
1994	43711258762.307
1995	48908942290.2805
1996	51864925471.4456
1997	53226146450.4607
1998	56712637955.7058
1999	62589849382.5015
2000	64171505948.3486
2001	67226487931.1794
2002	73516191487.8288
2003	80750652236.6814
2004	87958843997.9724
2005	94996187099.2169
2006	101654521762.812
2007	112125574695.022
2008	120145952092.243
2009	120700479097.31
2010	133355655945.354
2011	148258444617.294
2012	158640494076.479
2013	162063039753.66
2014	173610166313.667
2015	177641500420.594
2016	185302208818.314
2017	201143145550.937
2018	212978635909.933