Year % (cumulative) 2001 15.3303604125977 2003 19.6882305145264 2006 21.2662925720215 2007 23.4797401428223 2008 24.7186164855957 2009 32.8998718261719 2010 33.1705703735352 2011 34.9520606994629 2012 36.7633895874023 2013 38.928150177002 2014 43.1259002685547 2015 34.277271270752 2016 38.8767700195312 2017 35.4879417419434 2018 39.6707649230957 2019 42.4605712890625 2020 42.3064155578613 2021 45.6018180847168 2022 46.8930435180664