Year	current US$
1983	35480122.7902269
1984	43047367.9006903
1985	53322920.2571645
1986	61001773.7575379
1987	86949129.7612553
1988	95679182.9552323
1989	90027655.9863463
1990	88834210.6038084
1991	101300000.860306
1992	85120004.6922051
1993	97959126.3119322
1994	121399997.681132
1995	130457701.238667
1996	190071378.054329
1997	188716779.038473
1998	256803120.584636
1999	292285630.243815
2000	317632400.62607
2001	323362186.673919
2002	354949465.105834
2003	366596385.792883
2004	398620011.69281
2005	467426180.776747
2006	545324764.562267
2007	699049465.438374
2008	764803120.519601
2009	890893416.551035
2010	1002139101.89679
2011	789643751.580542
2012	954678385.085582
2013	991306676.488434
2014	1245086666.63096
2015	1103179128.57934
2016	1127277331.66278
2017	1206238190.85106
2018	987247035.583982
2019	1228298799.37252
2020	1423132617.73783
2021	932577948.537704