Year	current US$
1970	16500000
1971	20200000
1972	24300000
1973	33900000
1974	35000000
1975	39300000
1976	30000000
1977	37100000
1978	52300000
1979	54400000
1980	68300000
1981	71000000
1982	72000000
1983	79400000
1984	70500000
1985	81300000
1986	80557822.86
1987	100483662
1988	106181010.9
1989	111650602.69999999
1990	144505793.7
1991	151522458.3
1992	183973547.3
1993	189334150.20000002
1994	228213340.70000002
1995	260490985.9
1996	340150653
1997	233573058.3
1998	230216519.4
1999	262078821.8
2000	237467499
2001	231016319
2002	269146270
2003	350189891
2004	425354663
2005	432194060
2006	540691229
2007	745940658
2008	826125944
2009	708174733
2010	742521224
2011	946563768
2012	754759985
2013	726230191
2014	767547767
2015	603430651
2016	672160181
2017	793603038
2018	814608482
2019	789710854
2020	757841668