Year	US Dollars adjusted for inflation)
1980	193155976.55584
1981	209480674.46662
1982	215398566.53788
1983	235906125.02859
1984	244831092.29243
1985	265989607.35298
1986	273627380.36195
1987	285418158.56079
1988	302534271.43207
1989	319772521.03487
1990	321985896.48735
1991	326507051.31828
1992	362219240.81458
1993	393762420.16965
1994	469296454.84172
1995	535991159.9785
1996	596807529.48822
1997	663163133.22994
1998	746173157.05927
1999	829913547.91737
2000	948465609.65738
2001	969632085.04843
2002	1020546411.32196
2003	1063167075.75349
2004	1171578994.42458
2005	1252563900.2118
2006	1352565476.19448
2007	1557758964.15815
2008	1661358043.76208
2009	1640251719.75984
2010	1664310769.55229
2011	1730365372.41875
2012	1749086511.67248
2013	1763128136.22015
2014	1773904598.7102
2015	1791765400.6768
2016	1860165514.9836
2017	1932550791.05262