Year % (cumulative) 2001 9.4228401184082 2002 10.9300098419189 2003 10.8713102340698 2004 11.3449602127075 2005 11.7826795578003 2006 10.6156101226807 2007 11.7125797271729 2008 12.4934101104736 2009 12.6208801269531 2010 13.1101303100586 2011 13.2015495300293 2012 14.254340171814 2013 14.3855838775635 2014 14.8405895233154 2015 15.4563102722168 2016 13.7525625228882 2017 13.6996603012085 2018 14.1127099990845 2019 51.8962898254395 2020 13.9504098892212 2021 49.5604095458984 2022 13.623441696167