Year	current US$
1970	18152097620.008068
1971	20689251706.274155
1972	25989861607.552013
1973	33667450838.33575
1974	39369751449.875725
1975	48424846989.14117
1976	52419752351.09718
1977	62233075970.7372
1978	76598679390.29077
1979	89710228398.459
1980	98382243068.00938
1981	84167500000
1982	74446120430.86703
1983	70636818145.9566
1984	66551468165.316956
1985	69106889054.96297
1986	94937381253.38632
1987	117436121015.6672
1988	123257436094.34998
1989	122619349918.09991
1990	152792475857.07388
1991	159255483756.645
1992	176330316185.69635
1993	168441403917.91043
1994	182235987460.81503
1995	214173097974.8221
1996	209951791530.94464
1997	186537550744.249
1998	191341409202.0449
1999	189435795261.9309
2000	173692913466.03958
2001	174527116576.65375
2002	190364509891.01996
2003	234356298599.92108
2004	267454671238.68796
2005	278803615855.5641
2006	293893873147.4114
2007	335586490602.2756
2008	379669347084.8437
2009	365169799088.24194
2010	361887772226.66736
2011	395596188398.83344
2012	378302298546.4454
2013	400599580109.60895
2014	407137531513.84174
2015	346539153936.9139
2016	354921841713.61957
2017	374582847601.4124
2018	407037228985.0977
2019	398485235876.0778
2020	388538223330.27344
2021	435801720025.5744
2022	435188145437.7449
2023	477982798152.55743