Year	current US$
1970	933692628169.104
1971	1009814317160.75
1972	1114140382551.79
1973	1245860075443.47
1974	1309179007769.07
1975	1410495710862.61
1976	1571823443992.07
1977	1750494017517.24
1978	1979576230643.81
1979	2142037722730.51
1980	2298862154264.31
1981	2627857825740.3
1982	2790093315945.4
1983	2985644590356.31
1984	3368501841637.32
1985	3608128281405.94
1986	3807525077381.89
1987	4058367637312.88
1988	4440661070801.72
1989	4723759474100.79
1990	4968811426220.28
1991	5131527299974.18
1992	5436951985204.29
1993	5690464526236.49
1994	6079147697995.3
1995	6419103361004.81
1996	6822665631685.81
1997	7308349275122.84
1998	7800487715538.62
1999	8255236998659.39
2000	8794138409420.54
2001	9087323150609.16
2002	9349459329790.41
2003	9734670026188.77
2004	10404890989299
2005	11068418255750.9
2006	11852135464350.7
2007	12207641597201.4
2008	12214101693747.1
2009	12009894039948.5
2010	12722091661665.9
2011	13296413540065.9
2012	14049366650049.1
2013	14448714729140.7
2014	15165776173714.4
2015	15741217552602.7
2016	16012842178567.7
2017	16734705033537.7
2018	17602894205765.3
2019	18261844597577.2
2020	17860069690350.5
2021	19593000990250.4