Year	constant 2010 US$
1965	74979134019.0437
1966	73140805158.5403
1967	76648792747.5291
1968	78263553054.1601
1969	81165475341.0541
1970	82336419113.1129
1971	86432435082.1387
1972	88313443678.5676
1973	91353787864.0317
1974	94592856456.821
1975	98027456681.6347
1976	99586715252.4159
1977	106387653161.747
1978	108686837398.2
1979	111222502934.702
1980	115084788170.968
1981	121189664851.042
1982	121711559262.981
1983	121328420844.132
1984	124977083577.249
1985	131183977935.665
1986	129332553185.652
1987	137532645865.262
1988	140339078098.119
1989	140226820137.104
1990	142137169740.299
1991	143409712933.756
1992	146778754924.934
1993	149693991714.558
1994	156153035454.29
1995	162420863720.659
1996	166087997035.224
1997	167104354001.06
1998	172369832857.595
1999	178207660951.87
2000	182210220409.727
2001	188628686496.804
2002	194391812459.663
2003	204701968165.24
2004	209731003028.316
2005	217911280110.03
2006	226599480381.782
2007	235723988228.984
2008	241901225416.02
2009	230284475574.164
2010	247342344078.375
2011	254187671874.809
2012	250040796451.649
2013	265182013527.61
2014	271070358851.765
2015	280433484897.604
2016	276696489807.173
2017	296431979970.736
2018	296894617480.596