Year	current US$
1990	790105354.399994
1991	880863821.448606
1992	877853424.506504
1993	1469540813.40231
1994	2024099416.89118
1995	2153681376.29049
1996	2817527517.26893
1997	3626941627.63941
1998	5124123729.51616
1999	4862389218.96112
2000	4840235420.00116
2001	5367685020.82131
2002	5560660920.25696
2003	3816361160.20233
2004	4130937244.52513
2005	6220841955.50672
2006	6742432612.64803
2007	7556616509.82871
2008	7965985652.41992
2009	7104541751.06491
2010	8012386135.00666
2011	7852360250.1931
2012	8441702237.13636
2013	8994063817.34595
2014	10478533291.0946
2015	12705886393.2013
2016	13431366823.8923
2017	14201729764.2317
2018	16476707605.9807
2019	16980127532.5467
2020	13343051538.9448
2021	19603719174.7096