Year LCU per international $ 2011 3.1611635684967 2012 3.67949267389715 2013 4.60033908621503 2014 6.44004902362577 2015 8.08415934218224 2016 11.0386320070118 2017 11.0821228027344 2018 14.6225633621216 2019 22.1622180938721 2020 29.9992446899414 2021 42.9862403869629