Year	current US$
1994	1220736857.0918398
1995	1465129850.6845934
1996	1717160469.70854
1997	1972718415.0698278
1998	2143612825.2685122
1999	2061884385.9179065
2000	1970149253.7313433
2001	1998673300.1658375
2002	2074295190.7131011
2003	2155223880.597015
2004	1530772779.2371476
2005	1615252283.9137645
2006	1584637906.4676616
2007	1796288197.4129353
2008	2417815695.522388
2009	2802241210.812604
2010	2968459277.6119404
2011	3026202321.72471
2012	3251975594.3615255
2013	3527453018.9054728
2014	3622804038.4079604
2015	4018582380.762852
2016	4274078912.570481
2017	4394876670.447762
2018	4087445703.814262
2019	3638979610.4247103
2020	933516099.4305857
2021	330053453.2369205