Year	US Dollars adjusted for inflation)
2000	1172648193.02694
2001	1280577370.51844
2002	1192644043.63228
2003	1178540413.53777
2004	1933630837.76627
2005	2627411205.59126
2006	3722369164.49683
2007	3915150670.93589
2008	4306850276.05059
2009	4045927223.36932
2010	3998696648.74331
2011	4471801362.76601
2012	4693824269.16812
2013	4177441214.59724
2014	3089229757.88573
2015	3734284415.91915
2016	3765074846.66977
2017	3463868858.93619