Year current US$ 2009 995167.0079134759 2010 9289842.502899209 2011 4012440.181366954 2012 7296939.175949035 2013 15259939.480357377 2014 8449210.662163751 2015 8205259.788262006 2016 6806556.950547401 2017 8816741.389047518 2018 7302752.80835393 2019 9271756.157316528 2020 5252872.783533662 2021 17606387.427426647 2022 21349850.73389488 2023 23871579.470118634