Year	constant 2010 US$
1970	12027671563595.7
1971	12540896631576.3
1972	13216306654722.4
1973	13880904006691.8
1974	14049963011970.2
1975	14475359219864.8
1976	15061660296438.9
1977	15538202931247.5
1978	16135490952680.6
1979	16682425918822.4
1980	16910257209789
1981	17174840601404.3
1982	17471413663603.4
1983	18003075408403.2
1984	18509005451738.7
1985	19176232083804.7
1986	19911976690437.4
1987	20608953117104
1988	21394870134860.4
1989	22099761880295.5
1990	22732370062102.7
1991	23122564592120.9
1992	23731279456357.3
1993	24131186205592
1994	24768885007182.7
1995	25336420706019.4
1996	26012147594149
1997	26685187832534.3
1998	27458906018215
1999	28472364708146.8
2000	29488580188046.7
2001	30224455185340.8
2002	30936974971490.6
2003	31598481982029.6
2004	32434208352098.6
2005	33259977021945.1
2006	34080701199153.7
2007	34875828724772.1
2008	35156920357102
2009	35091848300982.8
2010	35627807240436.3
2011	35914209687156.6
2012	36207752344187.4
2013	36581026325053.6
2014	37177777234474.1
2015	37994317325324.1
2016	38757054776507.1
2017	39501058080612