Year	current US$
1992	58037307.6
1993	238453000
1994	337814000
1995	391601000
1996	686757000
1997	930670000
1998	1230666839
1999	859413605.4000001
2000	721805701
2001	753565440
2002	792299802
2003	1141191475
2004	1847603943
2005	2490236847
2006	3672526615
2007	5212446712
2008	6302357862
2009	4502052284
2010	5255542688
2011	7053928667
2012	7842086917
2013	7872436937
2014	8599231926
2015	7301686029
2016	7335920121
2017	8056634463
2018	9361557886
2019	9516911281
2020	8031745598