Year % (cumulative) 2006 0 2007 0 2008 0 2009 0 2010 0 2011 0 2012 10.4231700897217 2013 10.7851600646973 2014 11.0664596557617 2015 11.280779838562 2016 12.4071798324585 2017 11.9063501358032 2018 13.7064399719238 2019 12.7019901275635 2020 15.2984390258789 2021 14.19948387146 2022 14.4326124191284