Year	constant 2010 US$
1970	15607686230987
1971	16188083969640.2
1972	17071585516139.3
1973	18117035469275.3
1974	18198238204709.5
1975	18210122017656.3
1976	19117691900668.7
1977	19737660759805.7
1978	20530017917494.5
1979	21365731037500.8
1980	21508703390637.2
1981	21706817457098.8
1982	21844985953972
1983	22447853949963.7
1984	23374426601893.6
1985	24238880179504.5
1986	25206936007116.4
1987	26162764981752.2
1988	27427430894803
1989	28533173400243.3
1990	29389196841343.9
1991	29713069191612.3
1992	30321156961576.2
1993	30627247951885.6
1994	31616532996727
1995	32521820826721.7
1996	33512783142294.4
1997	34548494555370.7
1998	35602972867557.7
1999	36957182673020.4
2000	38431539971077.6
2001	38990154455071.1
2002	39614056469883.1
2003	40514364168931.6
2004	41812030604053.5
2005	43037459696820.1
2006	44327153105045.1
2007	45425234778849
2008	45490257551422.7
2009	43895986566866
2010	45085814829563.7
2011	45773364160219.1
2012	46206327119239.9
2013	46803335995177.3
2014	47806409070718.5
2015	49027819350371.7
2016	49847779538145.9
2017	51001442871335.8