Year % (cumulative) 2006 0 2007 0 2008 0 2009 0 2010 0 2011 0 2012 0 2013 0 2014 11.3178720474243 2015 12.5051651000977 2016 13.0411262512207 2017 13.7325820922852 2018 14.4759511947632 2019 14.1803512573242 2020 14.6661882400513 2021 15.0708837509155 2022 14.8735904693604