Year	current US$
1970	1785733775669.1995
1971	1988960369435.943
1972	2301280715594.9697
1973	2744390931060.2393
1974	3113377486747.073
1975	3594752511017.5635
1976	3868100946580.8335
1977	4348916541420.5264
1978	5172866441681.041
1979	5982298374245.968
1980	6735686244189.798
1981	6842127000077.741
1982	6841761319438.583
1983	7093297166378.973
1984	7298483698800.88
1985	7707998710780.587
1986	9312426593918.344
1987	10788381452993.832
1988	12026063078278.047
1989	12549960057900.35
1990	14213106777663.18
1991	15096153318304.215
1992	16373006981033.506
1993	16661517064885.357
1994	17728201988940.676
1995	19339325774979.582
1996	19563159110951.758
1997	19256935316118.34
1998	19528682899890.496
1999	20637576177908.96
2000	21135377176734.47
2001	21227557841751.09
2002	22342379147826.492
2003	25044058077840.18
2004	27700624075579.914
2005	29276552993300.31
2006	30732859779615.234
2007	33514416612883.86
2008	35969673216762.85
2009	34554618667447
2010	36005907292124.95
2011	38517724796035.16
2012	38401032305162.484
2013	38795881965516.47
2014	39397084762849.26
2015	36960909591668.08
2016	37687639298266.055
2017	39132945494024.46
2018	41277829436249.97
2019	41652806550527.23
2020	40857247029819.94
2021	45347449940080.87
2022	46573601696094.31