Year	US Dollars adjusted for inflation)
1990	404992002.13578
1991	429308445.79143
1992	483789608.00683
1993	503027300.65591
1994	549274724.60325
1995	594444837.17345
1996	603986745.82787
1997	595291307.9409
1998	605910509.57292
1999	602986381.32063
2000	516955401.68876
2001	475709781.87809
2002	462389895.989
2003	492445247.69208
2004	516567042.63021
2005	544571140.18616
2006	582400591.2867
2007	625032321.9287
2008	669375209.6487
2009	637728003.47509
2010	681151189.95651
2011	771033398.84222
2012	806157010.33977
2013	830485615.19013
2014	849172294.87015
2015	870760294.32349
2016	900859048.92947
2017	930032622.84327