Year	current US$
1976	1399999.976
1977	1799999.952
1978	2000000
1979	1000000
1980	1399999.976
1981	4699999.809
1982	2700000.048
1983	5000000
1984	5800000.191
1985	6000000
1986	8000000
1987	8600000.381
1988	4500000
1989	8500000
1990	4599999.905
1991	3400000.095
1992	3799999.952
1993	4199999.809
1994	4500000
1995	5400000
1996	10700000
1997	84900000
1998	88400000
1999	96000000
2000	126870000
2001	135280000
2002	112900000
2003	158166413.296793
2004	210558668.516465
2005	337040056.699114
2006	602974070.716
2007	1055366581.7028
2008	1134718446.9388
2009	1057930000
2010	960212746.785506
2011	1042996646.64182
2012	1110532146.98188
2013	1201339478.59819
2014	1176966248.36876
2015	1190958193.96267
2016	1246634759.3559
2017	1407996988.86426
2018	1388281653.93941
2019	1335620196.92987
2020	1126517920.43532
2021	1417462508.76989
2022	1459221074.91625
2023	1473364413.97788