Year	current US$
1977	170000.00178813902
1980	289999.99165535
1981	310000.002384186
1982	569999.992847443
1983	409999.99642372096
1984	419999.986886978
1985	540000.021457672
1986	419999.986886978
1987	469999.998807907
1988	460000.00834465
1989	1370000.00476837
1990	1120000.00476837
1991	1220000.02861023
1992	790000.021457672
1993	449999.988079071
1994	819999.992847443
1995	810000.002384186
1996	939999.997615814
1997	2940000.05722046
1998	2609999.89509583
1999	1440000.0572204601
2000	720000.028610229
2001	1870000.00476837
2002	3579999.92370605
2003	1690000.0572204601
2004	1870000.00476837
2005	2190000.05722046
2006	1759999.9904632599
2007	2039999.96185303
2008	2690000.05722046
2009	2079999.9237060498
2010	2000000
2011	2089999.9141693101
2012	2390358.92486572
2013	2201914.07203674
2014	1819869.9951171898
2015	1832405.32875061
2016	1641820.5499649
2017	1449267.98343658
2018	1559370.04089355
2019	2312926.29241943
2020	2298830.03234863
2021	2432494.40193176
2022	2941129.92286682