Year	current US$
1995	6847000000
1996	7531000000
1997	8184000000
1998	8307000000
1999	8135000000
2000	9133000000
2001	9190000000
2002	9547000000
2003	10058000000
2004	11609000000
2005	12801000000
2006	13329000000
2007	14055000000
2008	14726000000
2009	12542000000
2010	12628000000
2011	12458000000
2012	13320000000
2013	14311000000
2014	16606000000
2015	18729000000
2016	20619000000
2017	22467000000
2018	23802000000
2019	25847000000
2020	11449000000