Year	constant 2010 US$
1988	264710527094.568
1989	260220579916.379
1990	298680712401.013
1991	244377040865.199
1992	259325642605.833
1993	276157497215.624
1994	285017787997.883
1995	295533826563.891
1996	317119031154.933
1997	341384043142.049
1998	380951489694.981
1999	406832762808.568
2000	414235369067.92
2001	425879461418.618
2002	423195765982.268
2003	403000340792.329
2004	459574548003.845
2005	490219607023.121
2006	523513265097.084
2007	552349907803.735
2008	582764523185.189
2009	609681183769.265
2010	649697459092.748
2011	614422232481.282
2012	689899504019.113
2013	716496363976.523
2014	724262920946.629
2015	740251963850.411
2016	778833145918.34
2017	802043120804.041
2018	820887992175.281