Year	current US$
1970	1666121483.7220001
1971	2154648225.33
1972	2658484417.08
1973	2855501228.62
1974	4083938674.69
1975	8197777585.467999
1976	8367763733.002
1977	11449334163.418
1978	14290385065.077
1979	18132553313.746002
1980	22292864296.075
1981	21617685562.329998
1982	20791878415.9619
1983	19290557067.453
1984	19196532985.836
1985	19216465361.663998
1986	25424938149.54
1987	31875519983.615
1988	35749698862.60249
1989	39105643938.032
1990	45515323942.066
1991	46729374441.40001
1992	49964271884.170006
1993	48071607058.9434
1994	49767784631.60551
1995	52263243238.52626
1996	52925425779.45061
1997	57778198404.086716
1998	60877046616.91508
1999	59555678985.752335
2000	60067728599.40533
2001	63052638462.29048
2002	67999712588.3699
2003	83278174584.19339
2004	96064485405.41386
2005	105152435342.78629
2006	118062794452.70493
2007	135294649546.71346
2008	150318963420.11594
2009	139631958708.47803
2010	138958777703.6716
2011	152368228338.87024
2012	150687244238.35657
2013	160468470115.9134
2014	167020235436.92828
2015	158873240955.98373
2016	160824845015.76303
2017	171607586010.7378
2018	183190146887.03586
2019	190155555896.16943
2020	189147794405.53943
2021	213314454992.4906
2022	220841885664.00638