Year	current US$
1970	295938243681.5993
1971	329636916373.6342
1972	392110941577.48285
1973	530891565838.5408
1974	737996566400.6389
1975	756754816844.4814
1976	861453917025.0946
1977	979068111393.0884
1978	1138660816050.6548
1979	1454862838446.5266
1980	1737002508194.9429
1981	1687532697695.3962
1982	1608322349358.305
1983	1591380004956.441
1984	1710132842143.343
1985	1753835710353.4575
1986	2011971854340.7979
1987	2395456278261.32
1988	2744768799092.358
1989	2980929319289.4546
1990	3432910779783.1855
1991	3480708621835.3286
1992	3701837891536.032
1993	3571809866520.6206
1994	4012568711069.4683
1995	4755937188791.162
1996	4951023981970.089
1997	5048774575888.577
1998	5074540035275.603
1999	5353980081325.885
2000	5916062968192.518
2001	5716463401155.929
2002	5900335934973.024
2003	6806544746127.957
2004	8097641128762.174
2005	9037211557219.936
2006	10193804270942.244
2007	11529250612538.885
2008	12903342197519.205
2009	10149969670496.037
2010	11738762888495.646
2011	13722651855245.607
2012	13580634682666.1
2013	13811411609355.375
2014	14096182085924.684
2015	12637363370613.633
2016	12451662217293.357
2017	13580034460975.863
2018	14859764585764.312
2019	14570067261521.879
2020	13104415431518.764
2021	16031087739048.287
2022	18205839138149.996
2023	17906337546899.71