Year	US Dollars adjusted for inflation)
1992	43844942777.39008
1993	58748043614.7941
1994	63704125959.52549
1995	66799057920.44662
1996	67203277041.1724
1997	68865432658.75789
1998	71387322749.47659
1999	70110196789.9512
2000	73401577459.8744
2001	73936694347.52271
2002	76154795184.9267
2003	89344806001.39569
2004	98960267620.3768
2005	108931455687.36902
2006	117123372644.80101
2007	124141008374.04001
2008	127219511514.30603
2009	118217328332.17001
2010	115419050942.07999
2011	126532100488.48599
2012	134916608513.60799
2013	136466852756.45502
2014	137150383810.188
2015	137963712491.27695
2016	142857292393.57996
2017	138762386601.535