Year	current US$
2006	560000.002384186
2007	319999.99284744303
2008	419999.986886978
2009	239999.994635582
2010	449999.988079071
2011	389999.98569488496
2012	259999.990463257
2013	310000.002384186
2014	469999.998807907
2015	401397.675275803
2016	336377.203464508
2017	464243.024587631
2018	554261.744022369
2019	672258.9135169979
2020	507934.033870697
2021	735875.725746155
2022	558172.881603241