Year	US Dollars adjusted for inflation)
2002	4357462610.12088
2003	4397577340.70887
2004	4680386191.35423
2005	4845859455.02971
2006	4660328826.06023
2007	4698437820.11883
2008	4779670149.55952
2009	4794713173.53002
2010	4895000000
2011	4901017209.5882
2012	5000301167.79348
2013	5092565048.14587
2014	5171791641.05716
2015	5196863347.67466
2016	5214914976.43925