Year % of population 1995 99.9 1996 99.1921157836914 1997 99.2694702148438 1998 99.3427505493164 1999 97 2000 99.6 2001 99.7 2002 99.8 2003 99.9 2004 100 2005 100 2006 99.8 2007 100 2008 100 2009 100 2010 100 2011 99.8 2012 100 2013 100 2014 100 2015 100 2016 100 2017 100 2018 100 2019 100 2020 100 2021 100 2022 100