Year % (cumulative) 2000 17.1212501525879 2005 16.8039703369141 2006 18.2308731079102 2007 18.6603298187256 2008 20.7831840515137 2010 22.0639801025391 2011 23.4281406402588 2012 28.2842407226562 2013 32.0975112915039 2014 34.0958404541016 2015 35.4558486938477 2016 37.0298194885254 2017 41.9814224243164 2018 43.3225517272949 2019 46.6378898620605 2020 47.0966491699219 2021 52.0536689758301 2022 55.0726089477539