Year % (cumulative) 2002 11.5617303848267 2007 20.5617218017578 2008 13.7768802642822 2009 14.4202299118042 2010 15.1715297698975 2011 18.1352691650391 2012 15.9982042312622 2013 17.5872497558594 2014 19.4728298187256 2015 20.8002700805664 2016 21.7474098205566 2017 21.8874492645264 2018 22.8078079223633 2019 22.9050197601318 2020 23.5832843780518 2021 24.1038284301758 2022 24.0078296661377