Year	current US$
1989	59999.9986588955
1991	50000.0007450581
1993	29999.999329447703
1994	19999.9995529652
1995	29999.999329447703
1996	9999.99977648258
1997	300000.011920929
1998	639999.985694885
2001	9999.99977648258
2002	79999.9982118607
2003	200000.00298023198
2004	1590000.0333786
2005	2440000.05722046
2006	1769999.98092651
2007	3150000.09536743
2008	3359999.89509583
2009	3380000.1144409203
2010	1940000.0572204601
2011	720000.028610229
2012	649999.976158142
2013	610000.014305115
2014	7730000.01907349
2015	1279999.97138977
2016	529999.971389771
2017	939999.997615814
2018	1149999.97615814
2019	959999.978542328
2020	870000.004768372
2021	730000.019073486
2022	400000.00596046395