Year	current US$
1995	17000000
1996	11000000
1997	14000000
1998	18000000
1999	12000000
2000	5000000
2001	14000000
2002	12000000
2003	12000000
2004	14000000
2005	22000000
2006	84000000
2007	139000000
2008	191000000
2009	166000000
2010	135000000
2011	213000000
2012	201000000
2013	253000000
2014	281000000
2015	226000000
2016	141000000
2017	202000000
2018	196000000
2019	212600006.10351598
2020	36000000