Year % of population 2000 94.32746486402326 2001 94.81726684331153 2002 95.27065155843569 2003 95.47954559851095 2004 95.84635661709963 2005 95.69963530325882 2006 96.65319404194082 2007 96.80471728283489 2008 97.271073201037 2009 97.68137743700797 2010 98.16800497414263 2011 98.38204531985473 2012 98.62091054776977 2013 98.7874319955832 2014 98.8894942576766 2015 98.9709975774677 2016 99.00526384870014 2017 99.13391774794668 2018 99.152882923018 2019 99.25105219737608 2020 99.18994802417109 2021 99.40837947650381 2022 99.48511908890715