Year	constant 2015 US$
1966	18053624261.707718
1967	19589761913.30607
1968	20548823797.15751
1969	23125886981.11057
1970	23810812637.120605
1971	23997898610.74689
1972	26341859726.058815
1973	27746824485.087555
1974	25759429395.458504
1975	23287271796.213726
1976	27172081389.357887
1977	27010994735.339645
1978	27565591594.892334
1979	27729008394.13897
1980	25149840692.33882
1981	20938508741.634495
1982	22676108755.002625
1983	23675435613.799892
1984	26125533751.800407
1985	29749824725.41691
1986	35182412737.780594
1987	36285151849.07273
1988	34224239689.067623
1989	34932984045.90368
1990	34848294109.748566
1991	34037916954.310234
1992	33863203625.26529
1993	32968107995.82125
1994	35229792852.87332
1995	38952016514.40029
1996	41023446804.60168
1997	45210978336.54052
1998	48215664416.01541
1999	48089733272.60855
2000	52016882631.61792
2001	51773985094.39309
2002	50586647457.24854
2003	51415411460.64745
2004	53223704188.99011
2005	56386596234.553696
2006	64093896632.76819
2007	64536444378.249725
2008	62925232113.898056
2009	54765456811.32858
2010	51618225505.820114
2011	51818737794.98035
2012	53753288217.03074
2013	55222239742.04699
2014	56940321054.68206
2015	60082509484.17415
2016	64832561142.34233
2017	67433237614.05095
2018	70242805652.6675
2019	69302994184.02655
2020	72312283775.5263
2021	77059723774.4607
2022	79555949929.35887
2023	75610297638.73622