Year	current US$
2006	560000.002384186
2007	620000.004768372
2008	550000.011920929
2009	610000.014305115
2010	660000.026226044
2011	389999.98569488496
2012	360000.01430511504
2013	259999.990463257
2014	430000.00715255697
2015	320587.90326118504
2016	269804.71611022897
2017	344808.93611908
2018	484448.254108429
2019	555696.845054626
2020	442479.01439666696
2021	292015.28429985
2022	399478.942155838