Year	current US$
1975	379999.99523162795
1976	1139999.98569489
1977	639999.985694885
1978	600000.023841858
1979	649999.976158142
1980	1149999.97615814
1981	2289999.96185303
1982	1090000.0333786
1983	2309999.94277954
1984	3549999.95231628
1985	3900000.09536743
1986	3079999.92370605
1987	4289999.96185303
1988	4260000.228881841
1989	2960000.03814697
1990	1450000.04768372
1991	1289999.96185303
1992	1389999.98569489
1993	1080000.04291534
1994	800000.011920929
1995	850000.023841858
1996	680000.007152557
1997	819999.992847443
1998	569999.992847443
1999	720000.028610229
2000	509999.99046325695
2001	310000.002384186
2002	379999.99523162795
2003	449999.988079071
2004	589999.973773956
2005	620000.004768372
2006	769999.980926514
2007	860000.014305115
2008	1120000.00476837
2009	720000.028610229
2010	870000.004768372
2011	550000.011920929
2012	637128.472328186
2013	590278.98311615
2014	906908.9293479921
2015	631030.0827026371
2016	534638.345241547
2017	449700.981378555
2018	493136.376142502
2019	754916.608333588
2020	371033.579111099
2021	1668583.03546906
2022	2344297.17063904