Year	current US$
1995	1828000000
1996	1898000000
1997	2046000000
1998	2233000000
1999	2139000000
2000	2388000000
2001	2728000000
2002	2486000000
2003	2677000000
2004	3024000000
2005	3239000000
2006	3369000000
2007	3414000000
2008	3535000000
2009	3176000000
2010	3211000000
2011	3143000000
2012	3193000000
2013	3311000000
2014	3439000000
2015	3825000000
2016	3974000000
2017	3868000000
2018	3303000000
2019	3612000000
2020	2921000000