Year	current US$
1995	96000000
1996	94000000
1997	104000000
1998	84000000
1999	114000000
2000	117000000
2001	125000000
2002	143000000
2003	146000000
2004	186000000
2005	215000000
2006	240000000
2007	229000000
2008	248000000
2009	257000000
2010	295000000
2011	323000000
2012	333000000
2013	366000000
2014	355000000
2015	355000000
2016	373000000
2017	399000000
2018	389000000
2019	434000000
2020	125000000