Year % of population 1990 0.334386942 1991 0.531496128 1992 1.320008028 1993 1.967087737 1994 3.257308831 1995 6.47315766 1996 9.649069145 1997 14.0655114 1998 22.24382769 1999 39.17600725 2000 43.98435137 2001 49.37306211 2002 61.29 2003 64.35 2004 68.52 2005 81 2006 83.7 2007 85.82 2008 87.42 2009 89.63 2010 90.72 2011 91.41999576 2012 92.85999236 2013 93.9564 2014 91.666666 2015 91.72413793 2016 90.4109589 2017 93.19727891 2018 91.89189189 2019 93.2885906 2020 91.33333333 2021 92.05298013 2022 92.51968504