Year	current US$
2012	5755940.786097195
2013	7534616.184420895
2014	6023830.078542232
2015	7262300.044298175
2016	7183369.956910614
2017	7205710.044596351
2018	8877494.561485954
2019	12759209.98631045
2020	11688307.255506508
2021	12332200.020551685
2022	11211176.084354522