Year	current US$
2006	4380000.021308656
2007	4870000.058785082
2008	5270000.025629997
2009	5360000.059008598
2010	6059999.927878381
2011	3599999.9996274686
2012	4279999.949038028
2013	4909999.981522562
2014	5180000.001564622
2015	4875795.8859205255
2016	4536515.19585401
2017	5369315.747171641
2018	5056978.968903422
2019	5278898.142278194