Year	US Dollars adjusted for inflation)
2002	623365638.76652
2003	628440528.63436
2004	631823788.54626
2005	629286343.61234
2006	603066079.29515
2007	614907488.98678
2008	598837004.40529
2009	573462555.06608
2010	576000000
2011	577691629.95595
2012	552317180.61674
2013	537092511.01322
2014	542167400.88106
2015	548933920.70485
2016	534555066.0793