Year	current US$
1970	2643333333.3333335
1971	2362500000
1972	2800000000
1973	4785000000
1974	6525000000
1975	6648333333.333334
1976	6037500000
1977	6312000000
1978	6378823529.411765
1979	7585200000
1980	9194313725.490196
1981	10090175438.59649
1982	9850246913.580248
1983	10121387900.355871
1984	10338635743.519781
1985	9182563406.565441
1986	9621223282.699287
1987	12643567038.7558
1988	14567965476.264933
1989	13739079524.1077
1990	16583803194.12757
1991	18512393049.88811
1992	19686461306.98223
1993	19830037807.851315
1994	22330008302.613667
1995	27230306512.137615
1996	29742785662.81292
1997	30378363773.40987
1998	30042811241.809425
1999	29608423074.135803
2000	31647121624.604515
2001	32703840026.630524
2002	31695148803.242012
2003	32457162556.816933
2004	32974078536.36769
2005	33951056665.998173
2006	35793087661.02608
2007	40329651907.20771
2008	48256310758.0825
2009	46961833278.23411
2010	52478797263.95603
2011	58373273888.37301
2012	57999738357.502754
2013	65822211031.38544
2014	69089152791.07304
2015	66513613224.13281
2016	70549551021.11662
2017	79091583167.26979
2018	84183866774.2227
2019	88689797625.08371
2020	96007736801.03532
2021	108358971509.81433
2022	109688707973.89264
2023	114268379549.30634