Year	current US$
1970	744194715142.2104
1971	849978860900.3096
1972	1022807661403.3339
1973	1292772032571.758
1974	1480029959669.1614
1975	1784145311791.794
1976	1845523598697.25
1977	2092293529685.837
1978	2554388190237.699
1979	3123949224499.0786
1980	3584285411154.77
1981	3235078365136.3267
1982	3120375961577.2773
1983	3023121777533.2173
1984	2880319875580.932
1985	2971867665790.444
1986	4031721280163.3164
1987	5012696752648.824
1988	5521934841184.636
1989	5524227490694.084
1990	6799437572461.106
1991	7023298064629.46
1992	7561521689411.288
1993	7042823598370.675
1994	7333565802570.095
1995	8315025565908
1996	8525947497852.071
1997	8090433818350.05
1998	8268357426027.791
1999	8197733804863.692
2000	7673156869919.987
2001	7762237891501.971
2002	8530197539187.511
2003	10417731037690.775
2004	12070555123641.611
2005	12818886323067.799
2006	13711083522282.35
2007	15854356542851.848
2008	17531487560430.715
2009	16031944691579.475
2010	16187548849478.977
2011	17704297827687.7
2012	17116181488227.266
2013	17905932114325.945
2014	18050719883983.496
2015	15430744650485.273
2016	15380719398905.195
2017	16170184553902.121
2018	17206322660245.695
2019	16989177166738.104
2020	16487323974599.248
2021	18462603751228.133
2022	18526974217314.742
2023	20061788746698.17