Year	constant 2011 international $
1990	45183271339.9822
1991	48576946468.1815
1992	51772270671.9222
1993	54137615868.6558
1994	54682363849.3737
1995	57961715692.2895
1996	61392541955.933
1997	67879729978.1642
1998	70804330929.8085
1999	73002165107.4278
2000	77634785973.4331
2001	82681326873.5433
2002	87995482216.9944
2003	94801573495.9229
2004	98483009911.5992
2005	105859129468.495
2006	116513118306.148
2007	129937654974.458
2008	140075343173.136
2009	144616372285.105
2010	149633598838.509
2011	146689215152.158
2012	147454286346.948
2013	153934476283.923
2014	158059014825.417
2015	165813461495.166
2016	173606694255.104
2017	181042392237.778
2018	176840710936.445