Year	constant 2010 US$
1970	4996104788.27595
1971	5276859728.02005
1972	5532469542.36472
1973	5850909258.26025
1974	6114174775.73196
1975	6436640344.64722
1976	6638725796.11323
1977	6790454908
1978	6990758478.80254
1979	7237656493.95874
1980	7441193911.95617
1981	7570615742.72594
1982	7600446814.29412
1983	7637867632.65141
1984	7748281985.837
1985	7957420659.74488
1986	8217310484.16244
1987	8593828199.10218
1988	9107245577.73425
1989	9547430362.92367
1990	9908108226.25129
1991	10604058313.2165
1992	10357024809.4385
1993	10569789625.0652
1994	10997205898.9566
1995	11874634717.2727
1996	12112635116.4892
1997	12432271714.7659
1998	12711289539.3932
1999	13472510442.1822
2000	14045145222.2182
2001	14581298730.6062
2002	15229136980.1182
2003	15578113553.3747
2004	15716831122.0757
2005	15703982880.4254
2006	16138272255.0326
2007	16508651527.5024
2008	16730717776.0856
2009	16927559036.4745
2010	17131442261.6975
2011	17387122402.9808
2012	17894339885.8481
2013	18253662862.957
2014	18995765698.7197
2015	19610065547.7256
2016	19944188700.705
2017	20537626215.6757
2018	21398556413.6551