Year % (cumulative) 2006 0 2007 0 2008 0 2009 0 2010 0 2011 0 2012 0 2013 0 2014 11.6424608230591 2015 12.0875644683838 2016 12.4458446502686 2017 12.9975786209106 2018 13.4105186462402 2019 13.5489349365234 2020 13.5150804519653 2021 13.2253980636597 2022 13.1016969680786