Year	current US$
1995	6578000000
1996	6568000000
1997	6299000000
1998	6796000000
1999	6977000000
2000	7197000000
2001	6708000000
2002	7710000000
2003	9163000000
2004	10308000000
2005	8770000000
2006	9273000000
2007	11313000000
2008	12874000000
2009	12063000000
2010	11653000000
2011	12897000000
2012	12295000000
2013	13733000000
2014	14684000000
2015	13171000000
2016	14263599609.375
2017	16117200195.3125
2018	17772199218.75
2019	18575400390.625
2020	9101000000