Year	current US$
1997	109999.999403954
1998	540000.021457672
1999	79999.9982118607
2000	1879999.99523163
2001	509999.99046325695
2002	50000.0007450581
2003	70000.0002980232
2004	79999.9982118607
2005	70000.0002980232
2006	140000.000596046
2007	109999.999403954
2008	479999.989271164
2009	569999.992847443
2010	280000.001192093
2011	560000.002384186
2012	600000.023841858
2013	360000.01430511504
2014	189999.99761581398
2015	239999.994635582
2016	70000.0002980232
2017	449999.988079071
2018	259999.990463257
2019	629999.995231628
2020	860000.014305115
2021	230000.004172325
2022	300000.011920929