Year	current US$
1995	5044000000
1996	5732000000
1997	4925000000
1998	3237000000
1999	4403000000
2000	5873000000
2001	7627000000
2002	8084000000
2003	6799000000
2004	9183000000
2005	10389000000
2006	12280000000
2007	17948000000
2008	18553000000
2009	17231000000
2010	19619000000
2011	21338000000
2012	21711000000
2013	23283000000
2014	24469000000
2015	19194000000
2016	19682000000
2017	20311000000
2018	21775000000
2019	22200000000
2020	3386000000