Year	current US$
1995	25368000000
1996	27168000000
1997	26185000000
1998	29117000000
1999	32733000000
2000	31528000000
2001	32519000000
2002	34130000000
2003	42786000000
2004	48746000000
2005	51959000000
2006	56181000000
2007	63491000000
2008	68875000000
2009	59795000000
2010	58348000000
2011	67809000000
2012	62936000000
2013	68414000000
2014	71656000000
2015	62449000000
2016	66982000000
2017	75906000000
2018	81420000000
2019	79611000000
2020	18352000000