Year	current US$
1977	1450000.04768372
1980	2619999.8855590797
1981	1950000.04768372
1982	1529999.97138977
1983	1830000.04291534
1984	2700000.04768372
1985	3029999.97138977
1986	1210000.03814697
1987	1620000.00476837
1988	1450000.04768372
1989	1820000.05245209
1990	2490000.00953674
1991	1830000.04291534
1992	2920000.07629395
1993	2509999.99046326
1994	4230000.01907349
1995	3289999.96185303
1996	1720000.02861023
1997	1789999.96185303
1998	1950000.04768372
1999	1360000.01430511
2000	1190000.0572204601
2001	1559999.9427795399
2002	4670000.07629395
2003	2539999.96185303
2004	2339999.91416931
2005	2339999.91416931
2006	2009999.9904632599
2007	1090000.0333786
2008	1659999.9666214
2009	1269999.98092651
2010	1419999.95708466
2011	1139999.98569489
2012	1388893.00823212
2013	1247285.00843048
2014	1187982.20157623
2015	1072614.31217194
2016	846004.4264793401
2017	865500.390529633
2018	1111660.00366211
2019	1971731.30512238
2020	1914209.9618911701
2021	1861015.2006149301
2022	2177639.96124268