Year	current US$
1995	255000000
1996	281000000
1997	290000000
1998	291000000
1999	343000000
2000	402000000
2001	430000000
2002	447000000
2003	406000000
2004	462000000
2005	486000000
2006	490000000
2007	623000000
2008	742000000
2009	670000000
2010	781000000
2011	843000000
2012	1033000000
2013	1246000000
2014	1482000000
2015	1551000000
2016	1723000000
2017	2012000000
2018	2272000000
2019	2282000000
2020	702000000