Year % of population 1998 18.67 1999 8.82003688812256 2000 16.6 2001 9.5 2002 13.1 2003 19.3 2004 14.2 2005 20.5 2006 27.5 2007 20.2 2008 26.4 2009 25.6 2010 31.1 2011 37.4 2012 42.3 2013 50.9 2014 56.1 2015 62.7 2016 68.8 2017 89.1 2018 80.7 2019 84 2020 86.4 2021 82.5 2022 92.3