Year	current US$
1980	141183680.291854
1981	169600474.151596
1982	179130505.432181
1983	184649271.827128
1984	186995730.698138
1985	161748357.594415
1986	130877348.425532
1987	137804243.085107
1988	150478723.404255
1989	157643617.021277
1990	200309840.425532
1991	168260638.297872
1992	176980053.191489
1993	185236170.212766
1994	207675010.372341
1995	208460642.553192
1996	212682666.223404
1997	226184158.776596
1998	262621898.714482
1999	264649167.994546
2000	351219359.020709
2001	327101252.072976
2002	325162233.915109
2003	358903904.346072
2004	402135541.195555
2005	467297742.127606
2006	509167314.175533
2007	542212239.893616
2008	634553007.659574
2009	543752900.744682
2010	638356055.718085
2011	705970305.851063
2012	865489653.75
2013	912098876.090425
2014	924073781.48936
2015	853058884.468084
2016	885789295.212767
2017	974387960.106382
2018	1039628457.44681
2019	1059005497.34043
2020	939062417.553193