Year	current US$
1970	26000000
1971	22065559.39
1972	22799909.59
1973	29803249.36
1974	36079200.74
1975	671823224.98
1976	985532627.7980001
1977	1105516290.0119998
1978	1493531029.674
1979	1871300003.168
1980	2365096673.8519998
1981	2615389511.963
1982	3147739110.293
1983	3289112642.6203995
1984	3140085659.572
1985	3150152822.685
1986	4055083107.3516
1987	4494347559.739001
1988	4353909615.084499
1989	4421434745.91
1990	6151785300.750999
1991	7184079149.486
1992	7833910768.392
1993	7895651956.8861
1994	15228712777.7778
1995	12393081144.557384
1996	13607594297.576038
1997	16057231865.923195
1998	12054496174.624838
1999	13146735532.386162
2000	16678156791.85364
2001	19272807373.969517
2002	26156078336.073345
2003	35480614418.857574
2004	46362156008.35762
2005	50936864339.56096
2006	60242228144.695435
2007	79188048369.52951
2008	91342771039.09091
2009	85231391110.38731
2010	90785747187.39006
2011	101127619066.61343
2012	101227023486.55028
2013	113114276631.63135
2014	128120972060.76733
2015	123426737890.7897
2016	117473736911.60826
2017	126696504369.55852
2018	128424511306.63263
2019	127151797041.52446
2020	126333024106.38158
2021	143824690314.44598
2022	145479904329.3872