Year % of population 2000 94.1153642465379 2001 94.4878833636638 2002 94.8549716232778 2003 95.2162736068613 2004 95.5716115587902 2005 95.9239842280519 2006 96.2628445210942 2007 96.5944035971806 2008 96.9185190006908 2009 97.234862535135 2010 97.5434253160748 2011 97.8320484698268 2012 98.1133461921886 2013 98.3899959258229 2014 98.6620120676393 2015 98.9293593962036 2016 99.1920331036719 2017 99.3877107471688 2018 99.5356065471716 2019 99.9648313601704 2020 100 2021 99.9999979923494 2022 100