Year	constant 2010 US$
1990	4237345495.96069
1991	3906834300.18942
1992	3505405468.28157
1993	3826083830.12962
1994	4170839169.56134
1995	4020046591.9987
1996	4139421241.04224
1997	4267753200.26053
1998	4409756839.57295
1999	4566981167.98345
2000	5089286962.45954
2001	4575222764.63251
2002	5029927613.86992
2003	5255860309.73885
2004	5649614735.06362
2005	6054898336.95982
2006	6280243558.86333
2007	6758300498.22631
2008	7081876262.76492
2009	6847841321.78953
2010	7106403300.82133
2011	6725524346.57208
2012	6806179626.40828
2013	6932829222.12072
2014	7084446461.36365
2015	7398304427.39089
2016	7685260981.41814
2017	7738794546.51731
2018	7962254956.11509