Year	current US$
1977	1669999.95708466
1980	2210000.03814697
1981	1370000.00476837
1982	860000.014305115
1983	1149999.97615814
1984	1529999.97138977
1985	920000.016689301
1986	759999.990463257
1987	1179999.94754791
1988	1529999.97138977
1989	1320000.05245209
1990	1700000.04768372
1991	1190000.0572204601
1992	1200000.04768372
1993	579999.983310699
1994	2710000.03814697
1995	2700000.04768372
1996	2619999.8855590797
1997	3140000.10490417
1998	1470000.02861023
1999	3240000.00953674
2000	1899999.97615814
2001	3170000.07629395
2002	1100000.02384186
2003	1940000.0572204601
2004	2400000.09536743
2005	1759999.9904632599
2006	2859999.89509583
2007	2410000.08583069
2008	2660000.08583069
2009	2519999.98092651
2010	2640000.10490417
2011	3019999.98092651
2012	2718338.0126953097
2013	2010437.96539307
2014	2582554.34036255
2015	2043157.1006774898
2016	1571140.17009735
2017	1094693.06468964
2018	1157850.02708435
2019	1724204.06341553
2020	1981750.01144409
2021	-739743.947982788
2022	1751260.04219055