Year	current US$
1995	2382609043.060019
1996	2523111735.798608
1997	2574563426.097246
1998	2576542337.2625785
1999	2703192651.843842
2000	2531027380.459937
2001	2847653166.9130955
2002	3294887090.278182
2003	3023776260.627665
2004	3677445540.4986453
2005	4385957821.175128
2006	4846013947.371785
2007	6050475758.813763
2008	7104715161.70173
2009	6075959917.407747
2010	6682214637.643575
2011	6101834493.059508
2012	7230773252.687456
2013	6507828577.817769
2014	6917718310.909023
2015	5871106662.33621
2016	5512950584.877833
2017	6291954471.87144
2018	6642173313.374549
2019	6611135120.321397