Year % of population 1992 93.4 1993 95.3922424316406 1994 95.6485366821289 1995 95.5 1996 96.1543273925781 1997 96.4024658203125 1998 96.6465225219727 1999 96.8857345581055 2000 97.7 2001 97.4 2002 97.5 2003 98.8 2004 97.8 2005 99.4 2006 99 2007 98.4 2008 99.8 2009 98.9 2010 99.4 2011 99.4 2012 99.7 2013 99.9 2014 99.8 2015 99.3 2016 100 2017 100 2018 100 2019 100 2020 100 2021 100 2022 100