Year % of population 1990 0.125892223 1991 0.250274153 1992 0.43528529 1993 0.463635096 1994 0.922541043 1995 1.837737754 1996 3.054805234 1997 6.711087477 1998 9.877852428 1999 20.84598264 2000 30.2163466 2001 31.65093942 2002 48.82 2003 55.9 2004 64.73 2005 68.71 2006 72.16 2007 75.16 2008 78 2009 79 2010 82 2011 81.26999954 2012 82.34999847 2013 84.17 2014 86.19 2015 87.58979935 2016 84.16520664 2017 84.3941537 2018 87.03711209 2019 88.13451691 2020 89.81294133 2021 91.43060973 2022 91.62984383