Year % (cumulative) 2006 15.2062902450562 2008 15.7135000228882 2009 16.3804492950439 2010 17.2110195159912 2011 18.6891708374023 2014 20.5518207550049 2015 21.7261295318604 2017 22.9104995727539 2019 23.462760925293 2022 24.1004009246826