Year	constant 2010 US$
1971	36482902299.0085
1972	37742064498.7911
1973	42974878937.468
1974	44129831021.3445
1975	45155990043.9801
1976	49652448654.3861
1977	55369860058.8907
1978	62206924504.3893
1979	64067394954.3106
1980	64097421500.7135
1981	67110559302.8218
1982	69381901220.6962
1983	74190342250.2872
1984	78541235482.2983
1985	79757477856.6743
1986	82822530620.6111
1987	92538344924.6541
1988	106395411782.805
1989	119136725681.104
1990	130025689798.099
1991	141571879267.141
1992	154116781993.889
1993	170946578218.782
1994	183330756395.835
1995	198467392740.76
1996	205126278302.407
1997	189185720748.834
1998	162309819570.942
1999	169248430159.774
2000	173715723588.805
2001	173184698862.266
2002	189224643726.377
2003	202268263988.709
2004	215997008742.34
2005	222659088369.826
2006	236504964475.776
2007	251594565708.37
2008	246845959733.694
2009	249878350964.67
2010	268790575265.102
2011	270179126376.737
2012	277337056802.739
2013	278961457573.848
2014	282364110810.818
2015	300143580038.719
2016	312208108898.22
2017	322906418310.288