Year	current US$
2007	5790000.017732386
2008	19499999.642372154
2009	30819999.82893465
2010	24160000.205039985
2011	22380000.142380588
2012	30595287.710428245
2013	26384600.460529286
2014	37154656.52942657
2015	29942157.309502363
2016	23230079.632252462
2017	24093153.661699023
2018	46604096.18169068
2019	59993077.60596272