Year	current US$
1976	300000.0119
1977	2000000
1978	3900000.095
1979	5099999.905
1980	5500000
1981	4599999.905
1982	5300000.191
1983	3799999.952
1984	5599999.905
1985	4800000.191
1986	6699999.809
1987	17299999.24
1988	16500000
1989	16799999.24
1990	11713797.061664
1991	14966201.9976576
1992	12560952.4263477
1993	10409042.5254168
1994	7365355.90664817
1995	21252091.2746461
1996	15572460.8960241
1997	19909493.7644517
1998	16108858.5298401
1999	13955216.0711376
2000	23393861.6519061
2001	14302008.8948831
2002	20677660.0739437
2003	19339718.3762944
2004	28360551.7878282
2005	54426249.6308787
2006	81592430.7598208
2007	114802637.005896
2008	100763350.083668
2009	68067536.128923
2010	67193851.3899865
2011	72738450.7613501
2012	65983578.8650018
2013	72581958.2131925
2014	95087187.2102238
2015	84516225.6954507
2016	139958188.911735
2017	325296099.591751
2018	356216931.092424
2019	376636294.163872
2020	291007954.685443
2021	322572974.299795
2022	352847126.543157
2023	451747322.052307