Year % of population 2000 89.0616560452077 2001 89.5297819244383 2002 89.9960313292363 2003 90.4599444423833 2004 90.9217523917314 2005 91.3567912547275 2006 91.7904999411481 2007 92.2251661601544 2008 92.660982249745 2009 93.09808507795 2010 93.536172790766 2011 93.9753959636229 2012 94.415754570217 2013 94.8572483245504 2014 95.3013968931233 2015 95.7476957195653 2016 96.1954598279264 2017 96.6441123997659 2018 97.0931062814761 2019 97.5417735351336 2020 97.9896320628805 2021 97.9911269137848 2022 97.9930133351381