Year % (cumulative) 1993 10.5961999893188 2004 15.3737697601318 2005 15.8841695785522 2006 11.3631896972656 2007 14.5491104125977 2008 15.3248100280762 2009 14.7220497131348 2010 15.6797399520874 2011 16.2140693664551 2012 17.0867691040039 2013 18.5945796966553 2014 19.7050495147705 2015 19.5199699401855 2016 20.1363105773926 2018 21.2513294219971 2019 21.6269798278809 2020 22.5394897460938 2022 26.4127159118652