Year	US Dollars adjusted for inflation)
1995	3994597528.99856
1996	3759832629.01354
1997	3821759496.30722
1998	3571732651.50415
1999	3451427607.82648
2000	3524173901.54317
2001	3739148519.43694
2002	4030802095.98931
2003	4296835030.54075
2004	4614800815.93701
2005	4960910881.53213
2006	5199034597.33391
2007	5355005645.59355
2008	5772696091.31765
2009	5426334310.87913
2010	5811604051.96737
2011	6206793144.22054
2012	6163345582.70734
2013	6742700073.59761
2014	7066349660.23491
2015	7038084252.44231
2016	7354798041.3823
2017	7685763945.87477