Year	current US$
1970	1572521483.8170002
1971	2015367565.1699998
1972	2468606068.735
1973	2673601020.619
1974	2518670927.7669997
1975	6792821142.631
1976	7303238727.305
1977	10322137142.65
1978	13071032218.699999
1979	15864086540.240002
1980	18694393440.841003
1981	17249622739.03
1982	17100135221.609898
1983	16114586655.439003
1984	15530606608.06
1985	15596658684.318996
1986	21207325725.74
1987	26693785823.649998
1988	30599069913.819996
1989	32072656075.690006
1990	37612735748.73
1991	38856458777.695
1992	41142938333.64099
1993	39315753020.0394
1994	39896289972.80851
1995	42969674131.81023
1996	43040853391.65757
1997	46450630708.14025
1998	49477497116.281395
1999	48331714438.61693
2000	47256569102.13503
2001	49974206203.62118
2002	55268680991.67059
2003	65816714436.158424
2004	73497532062.12296
2005	76021239441.91637
2006	82224097940.39154
2007	97712790227.96059
2008	112585803160.36136
2009	108458478329.17258
2010	110745139861.46127
2011	124116686395.1538
2012	123312094813.54335
2013	134231475609.85696
2014	137174008277.6907
2015	128919282609.66885
2016	130201811618.72997
2017	140279596659.73856
2018	150501430213.0364
2019	155754384242.07935
2020	149867864005.1187
2021	164813184792.18463
2022	165258483268.82465