Year	current US$
1995	65000000
1996	77000000
1997	27000000
1998	54000000
1999	211000000
2000	389000000
2001	446000000
2002	487000000
2003	522000000
2004	735000000
2005	854000000
2006	1012000000
2007	1378000000
2008	1715000000
2009	1828000000
2010	1611000000
2011	1632000000
2012	1463000000
2013	1473000000
2014	1700000000
2015	1499000000
2016	1693000000
2017	1943000000
2018	2186000000
2019	2329000000
2020	1134000000