Year	current US$
1995	82000000
1996	87000000
1997	118000000
1998	124000000
1999	158000000
2000	175000000
2001	166000000
2002	131000000
2003	131000000
2004	127000000
2005	139000000
2006	158000000
2007	195000000
2008	250000000
2009	186000000
2010	180000000
2011	223000000
2012	244000000
2013	243000000
2014	141000000
2015	142000000
2016	128000000
2017	102000000
2018	304000000
2019	274000000
2020	123000000