Year	US Dollars adjusted for inflation)
1980	165165439.14686
1981	188136200.88393
1982	194559060.67552
1983	216565078.8473
1984	226271753.35443
1985	235801810.57648
1986	263462722.66382
1987	339066684.68833
1988	355976922.5254
1989	382435357.4116
1990	424030689.29561
1991	422301169.50453
1992	441730787.82885
1993	450505180.61589
1994	472811961.16855
1995	506259233.80576
1996	534433435.2975
1997	563153025.10271
1998	596458068.65337
1999	644079113.97662
2000	688733275.07195
2001	745235395.46646
2002	825183060.87473
2003	888427847.11934
2004	940813179.47738
2005	1007823159.38045
2006	1076852655.51349
2007	1269887377.45454
2008	1330440105.87773
2009	1419010481.1982
2010	1585472534.10547
2011	1710580806.57351
2012	1797336501.23336
2013	1835844373.82886
2014	1941321989.27355
2015	2069399707.46106
2016	2234759341.867
2017	2387142613.64128