Year	current US$
1995	2018044189.45313
1996	1904723510.74219
1997	1850360595.70313
1998	1918303588.86719
1999	2115000000
2000	2137000000
2001	2203000000
2002	2178000000
2003	2325000000
2004	2552000000
2005	2644000000
2006	2692007568.35938
2007	3107000000
2008	3232000000
2009	2476000000
2010	2137000000
2011	2603000000
2012	2603000000
2013	2930000000
2014	2924000000
2015	2525664306.64063
2016	2870000000
2017	3274000000
2018	3449000000
2019	3245000000
2020	663000000