Year	current US$
2005	219999.998807907
2006	109999.999403954
2007	689999.997615814
2008	209999.993443489
2009	300000.011920929
2010	370000.00476837205
2011	540000.021457672
2012	454012.51316070603
2013	485514.789819717
2014	493800.163269043
2015	476622.998714447
2016	457177.191972733
2017	485599.994659424
2018	147432.69979953798
2019	524268.38874816895
2022	30047.9996949434