Year	current US$
2007	3759999.99046326
2008	14070000.231265986
2009	9920000.251382591
2010	17050000.026822094
2011	30350000.068545338
2012	18330534.115433685
2013	7426028.639078144
2014	6872558.11691285
2015	15366280.781494414
2016	11091107.094660398
2017	13551714.777946461
2018	28706194.87861769
2019	35767134.845256835