Year	current US$
1969	6780000.04589558
1970	8029999.8819828
1971	7549999.9653548
1972	5339999.97936189
1973	9080000.10251999
1974	15599999.8580664
1975	10190000.070259
1976	10679999.94196
1977	14109999.9547005
1978	16470000.166445998
1979	18179999.9326468
1980	6530000.027269131
1981	26699999.541044198
1982	25539999.7197092
1983	32849999.798461802
1984	27889999.5684624
1985	37919999.1133064
1986	32569999.739527702
1987	41880000.643432096
1988	35970000.743866004
1989	34850000.1914799
1990	35030000.2004951
1991	46320000.0245124
1992	46359999.6939301
1993	55950001.1503696
1994	49849999.8524785
1995	87000001.6912818
1996	42020000.2435595
1997	81400001.1011958
1998	50669999.4020164
1999	67729999.9967217
2000	71340001.0690093
2001	57370000.494644
2002	65460000.2802908
2003	69359999.967739
2004	59590000.3891438
2005	74930000.6460398
2006	59040000.2785027
2007	65610000.150278196
2008	68139999.9782443
2009	0
2010	0
2011	0
2012	0
2013	0
2014	0
2015	0
2016	0
2017	0
2018	0
2019	0
2020	0
2021	0