Year	current US$
1980	199823141.930785
1981	184659690.494693
1982	172294116.932786
1983	179290547.364811
1984	173372095.549513
1985	182721300.337729
1986	259458825.885424
1987	315660022.123341
1988	332238469.138851
1989	321749017.301778
1990	401750024.92327
1991	397105087.3155
1992	431504739.864515
1993	425657323.559032
1994	297735639.892179
1995	365525823.226832
1996	362613011.524752
1997	333400656.932878
1998	337732845.016264
1999	351728560.294328
2000	324392497.129969
2001	350542818.857247
2002	392818847.661897
2003	502478440.510976
2004	584414887.407588
2005	605242953.169908
2006	647706322.146527
2007	734204557.638544
2008	842715640.683634
2009	834674395.160088
2010	832950009.994786
2011	934921414.706898
2012	923387919.511021
2013	1015709608.41188
2014	1047896914.15957
2015	876930850.372276
2016	920866430.124971
2017	982786891.583143
2018	1096244069.82732
2019	1103957425.18527
2020	1122605544.44864
2021	1188775714.13446