Year	current US$
1999	1584030000
2000	1074140000
2001	1331530000
2002	1680410000
2003	2711070000
2004	3657000000
2005	5719990000
2006	7768850000
2007	7553170000
2008	4285950000
2009	9546660000
2010	19923860000
2011	19436990000
2012	16974009999.999998
2013	18806550000
2014	23665120000
2015	20804110000
2016	18678773846.7819
2017	18959520000
2018	15575020000
2019	15720540000
2020	15981910000
2021	27056900000
2022	10598220000