Year	current US$
1995	27587000000
1996	28352000000
1997	27402000000
1998	29490000000
1999	37754000000
2000	32857000000
2001	32188000000
2002	35036000000
2003	39421000000
2004	44906000000
2005	43937000000
2006	46527000000
2007	54200000000
2008	57262000000
2009	49616000000
2010	46459000000
2011	55154000000
2012	53327000000
2013	56451000000
2014	58422000000
2015	58326000000
2016	55338000000
2017	59232000000
2018	65362000000
2019	63424000000
2020	32646000000
