Year % (cumulative) 2004 10.6607398986816 2005 10.9376697540283 2006 11.6760902404785 2007 11.8091802597046 2008 12.1280202865601 2009 12.4961700439453 2010 13.1550903320312 2011 14.4505300521851 2012 15.5597200393677 2013 16.3137702941895 2014 17.9767093658447 2015 18.7413902282715 2016 19.5643501281738 2017 19.7842197418213 2018 19.2310905456543 2019 21.4358196258545 2020 23.1114807128906 2021 25.9154567718506 2022 26.2559375762939