Year % of population 2000 96.321859781025 2001 96.3179218850059 2002 96.435829369237 2003 96.554070820316 2004 96.6726853696249 2005 96.7916669349274 2006 96.9110206402679 2007 97.0307252765234 2008 97.1508266169912 2009 97.2712848774396 2010 97.3921285255564 2011 97.513336972409 2012 97.6355731996119 2013 97.7582259753032 2014 97.8804430500681 2015 97.8807253473668 2016 97.8810008546094 2017 97.8813135588744 2018 97.8816619040419 2019 97.8820483219257 2020 97.8824671997283 2021 97.8829255452435 2022 97.8834116268806