Year LCU per international $ 2007 11.5595814555221 2008 12.746686950989 2009 13.2768148487677 2010 14.6856795526277 2011 15.8259706497192 2012 15.5856201182955 2013 16.4329629166735 2014 16.7203042263038 2015 17.1580178480288 2016 19.8609570270534 2017 22.6119003295898 2018 22.8375129699707 2019 23.0313739776611 2020 23.3949527740479 2021 23.6232128143311 2022 24.1211689169953 2023 24.8186585827451