Year % of population 2000 88.8307472384638 2001 88.8492125325536 2002 88.8676804387898 2003 88.8652101207758 2004 88.8627184900741 2005 88.8602115956425 2006 88.8576811429728 2007 88.8551340034937 2008 88.8525547325996 2009 88.8499461148963 2010 88.8473028798847 2011 88.8446359315583 2012 88.9214281642506 2013 88.9977880462683 2014 89.0737047399034 2015 89.14918952705 2016 89.2242334322953 2017 89.2988482252302 2018 89.3730226429661 2019 89.4467659719233 2020 89.5200694726426 2021 89.5929420805534 2022 89.6653814027227