Year	current US$
1997	430000.00715255697
1998	519999.980926514
1999	519999.980926514
2000	730000.019073486
2001	939999.997615814
2002	889999.985694885
2003	879999.995231628
2004	769999.980926514
2005	300000.011920929
2006	340000.00357627904
2007	409999.99642372096
2008	469999.998807907
2009	230000.004172325
2010	270000.010728836
2011	1120000.00476837
2012	688199.996948242
2018	16482.949256897
2019	141457.185149193