Year	constant 2010 US$
1970	33899068140.1018
1971	38145618580.6248
1972	42365873311.2771
1973	44477128901.0907
1974	46453183656.04
1975	46207058363.2224
1976	47231178052.3854
1977	48183644503.7177
1978	48628893818.6768
1979	51645832730.1134
1980	49346709889.865
1981	52922635409.7346
1982	56397944033.7105
1983	59938630064.0891
1984	56728231941.8266
1985	57421629113.4453
1986	62778289806.5047
1987	68480967118.658
1988	73526108898.1405
1989	72793672987.5361
1990	79689567239.7065
1991	88536310660.7397
1992	95679930728.8584
1993	99325488114.7022
1994	106654002832.896
1995	113609141319.356
1996	120330897273.65
1997	125640967580.655
1998	131376193890.136
1999	133901215284.544
2000	141726728939.102
2001	144111701002.899
2002	143709128630.31
2003	143069736251.643
2004	149228990816.517
2005	158429641488.008
2006	168226618520.058
2007	177971330585.956
2008	179496723732.122
2009	185286512048.672
2010	197203264870.687
2011	206752230014.271
2012	210450068814.873
2013	223052463314.511
2014	236000375751.694
2015	248064636799.355
2016	260494080213.766
2017	269554581426.597