Year % of population 2000 93.5641620053584 2001 93.648936259095 2002 93.8609044858042 2003 94.068717766732 2004 94.272489058569 2005 94.4720884049668 2006 94.6677536405168 2007 94.8594257171087 2008 95.047268531333 2009 95.2311831609833 2010 95.4113237133487 2011 95.5877163488789 2012 95.7604872217725 2013 95.9293415955243 2014 96.0945394558175 2015 96.2561611638359 2016 96.4143254328321 2017 96.5690873517749 2018 96.7206079118707 2019 96.8689641597761 2020 97.0142665969339 2021 97.0202954288979 2022 97.0261882445268