Year	US Dollars adjusted for inflation)
1995	39570428328.0577
1996	41894675885.3577
1997	44678775723.5828
1998	45510641319.08901
1999	45084889273.15671
2000	46778513367.15929
2001	48385076669.08099
2002	50923587390.8062
2003	53753873046.5275
2004	55948541911.65589
2005	58278072356.2334
2006	61066830126.90042
2007	64211774903.91008
2008	65530277351.50469
2009	60691663864.24639
2010	59829574390.68748
2011	59634549667.8591
2012	58295936115.45319
2013	57918158247.298
2014	57862454727.78741
2015	59220688842.74871
2016	61095271083.01609
2017	62792670406.22641