Year	current US$
1988	140000.000596046
1989	150000.005960464
1990	219999.998807907
1991	419999.986886978
1992	579999.983310699
1993	500000
1994	439999.997615814
1995	670000.016689301
1996	1200000.04768372
1997	730000.019073486
1998	829999.983310699
1999	439999.997615814
2000	709999.978542328
2001	629999.995231628
2002	939999.997615814
2003	1720000.02861023
2004	2349999.90463257
2005	3769999.98092651
2006	2220000.02861023
2007	2150000.09536743
2008	1850000.02384186
2009	2319999.9332428
2010	2490000.00953674
2011	4469999.79019165
2012	2890000.10490417
2013	3339999.91416931
2014	3440000.05722046
2015	4730000.01907349
2016	8829999.92370605
2017	5159999.84741211
2018	4159999.8474121103
2019	5920000.07629395
2020	5030000.20980835
2021	7809999.94277954
2022	5340000.15258789