Year % of population 2000 98.2428696788173 2001 98.2736396834303 2002 98.3043525753378 2003 98.335021524034 2004 98.365643197958 2005 98.3962203294697 2006 98.426743408475 2007 98.4565570321653 2008 98.4859930462561 2009 98.5154718531203 2010 98.5449648922307 2011 98.574504181642 2012 98.6036168042443 2013 98.6328142113716 2014 98.6620775238515 2015 98.6914116257754 2016 98.7208232501016 2017 98.7505737560033 2018 98.7558675337883 2019 98.7614152226307 2020 98.7671898041778 2021 98.7679087029408 2022 98.76885789947