Year	current US$
1988	19999.9995529652
1989	9999.99977648258
1991	150000.005960464
1992	159999.99642372102
1993	180000.00715255702
1994	170000.00178813902
1995	180000.00715255702
1996	239999.994635582
1997	449999.988079071
1998	449999.988079071
1999	50000.0007450581
2000	109999.999403954
2001	219999.998807907
2002	629999.995231628
2003	209999.993443489
2004	340000.00357627904
2005	2029999.97138977
2006	330000.013113022
2007	1129999.99523163
2008	1960000.03814697
2009	3950000.04768372
2010	4309999.94277954
2011	4929999.82833862
2012	4599999.90463257
2013	3890000.10490417
2014	4659999.84741211
2015	3619999.8855590797
2016	3880000.1144409203
2017	7389999.8664856
2018	7719999.79019165
2019	3589999.91416931
2020	7250000
2021	23610000.6103516
2022	5650000.09536743