Year	current US$
1995	2938000000
1996	3589000000
1997	3824000000
1998	3688000000
1999	3622000000
2000	3809000000
2001	4191000000
2002	3774000000
2003	4119000000
2004	4009000000
2005	4761000000
2006	4998000000
2007	5628000000
2008	7533000000
2009	7013000000
2010	6595000000
2011	7239000000
2012	6149000000
2013	6671000000
2014	7483000000
2015	6929000000
2016	7481000000
2017	8448000000
2018	9618000000
2019	10225000000
2020	4224000000