Year % (cumulative) 2006 0 2007 0 2008 0 2009 0 2010 0 2011 0 2012 0 2013 12.3793001174927 2014 13.4917602539062 2015 13.5417098999023 2016 13.6618700027466 2017 14.9169998168945 2018 15.2636289596558 2019 15.6211595535278 2020 16.2467975616455 2021 17.1400527954102 2022 17.2836208343506